Finding the Fourth Proportional to 51,275.89, 70,763.43 and 30,061.99

Step by Step Solution

1. Step 1: Write the proportion equation
   51,275.89 : 70,763.43 = 30,061.99 : x
2. Step 2: Convert to fraction form
   51,275.89/70,763.43 = 30,061.99/x
3. Step 3: Cross multiply
   51,275.89x = 70,763.43 × 30,061.99
4. Step 4: Simplify right side
   51,275.89x = 2,127,289,525.03
5. Step 5: Solve for x
   x = 2,127,289,525.03/51,275.89
6. Step 6: Final answer
   x = 41,487.13