Finding the Fourth Proportional to 111,921,575.58, 154,452,387.03 and 64,906,524.38

Step by Step Solution

1. Step 1: Write the proportion equation
   111,921,575.58 : 154,452,387.03 = 64,906,524.38 : x
2. Step 2: Convert to fraction form
   111,921,575.58/154,452,387.03 = 64,906,524.38/x
3. Step 3: Cross multiply
   111,921,575.58x = 154,452,387.03 × 64,906,524.38
4. Step 4: Simplify right side
   111,921,575.58x = 10,024,967,624,454,622
5. Step 5: Solve for x
   x = 10,024,967,624,454,622/111,921,575.58
6. Step 6: Final answer
   x = 89,571,358.99