Finding the Fourth Proportional to 111,785,144.64, 154,261,919.34 and 62,892,456

Step by Step Solution

1. Step 1: Write the proportion equation
   111,785,144.64 : 154,261,919.34 = 62,892,456 : x
2. Step 2: Convert to fraction form
   111,785,144.64/154,261,919.34 = 62,892,456/x
3. Step 3: Cross multiply
   111,785,144.64x = 154,261,919.34 × 62,892,456
4. Step 4: Simplify right side
   111,785,144.64x = 9,701,910,974,566,500
5. Step 5: Solve for x
   x = 9,701,910,974,566,500/111,785,144.64
6. Step 6: Final answer
   x = 86,790,700.19