Finding the Fourth Proportional to 89,718,557.97, 123,834,644.69 and 58,434,561.80

Step by Step Solution

1. Step 1: Write the proportion equation
   89,718,557.97 : 123,834,644.69 = 58,434,561.80 : x
2. Step 2: Convert to fraction form
   89,718,557.97/123,834,644.69 = 58,434,561.80/x
3. Step 3: Cross multiply
   89,718,557.97x = 123,834,644.69 × 58,434,561.80
4. Step 4: Simplify right side
   89,718,557.97x = 7,236,223,198,000,283
5. Step 5: Solve for x
   x = 7,236,223,198,000,283/89,718,557.97
6. Step 6: Final answer
   x = 80,654,698.00