Finding the Fourth Proportional to 50,521,839.18, 69,656,937.98 and 42,161,275.80

Step by Step Solution

1. Step 1: Write the proportion equation
   50,521,839.18 : 69,656,937.98 = 42,161,275.80 : x
2. Step 2: Convert to fraction form
   50,521,839.18/69,656,937.98 = 42,161,275.80/x
3. Step 3: Cross multiply
   50,521,839.18x = 69,656,937.98 × 42,161,275.80
4. Step 4: Simplify right side
   50,521,839.18x = 2,936,825,373,958,518.50
5. Step 5: Solve for x
   x = 2,936,825,373,958,518.50/50,521,839.18
6. Step 6: Final answer
   x = 58,129,819.13