Finding the Fourth Proportional to 51,121,024,315.23, 70,545,660,293.61 and 28,566,073,061.31

Step by Step Solution

1. Step 1: Write the proportion equation
   51,121,024,315.23 : 70,545,660,293.61 = 28,566,073,061.31 : x
2. Step 2: Convert to fraction form
   51,121,024,315.23/70,545,660,293.61 = 28,566,073,061.31/x
3. Step 3: Cross multiply
   51,121,024,315.23x = 70,545,660,293.61 × 28,566,073,061.31
4. Step 4: Simplify right side
   51,121,024,315.23x = 2,015,212,486,105,619,234,816
5. Step 5: Solve for x
   x = 2,015,212,486,105,619,234,816/51,121,024,315.23
6. Step 6: Final answer
   x = 39,420,424,631.54