Finding the Fourth Proportional to 111,316,285.67, 153,616,414.79 and 61,080,834.15

Step by Step Solution

1. Step 1: Write the proportion equation
   111,316,285.67 : 153,616,414.79 = 61,080,834.15 : x
2. Step 2: Convert to fraction form
   111,316,285.67/153,616,414.79 = 61,080,834.15/x
3. Step 3: Cross multiply
   111,316,285.67x = 153,616,414.79 × 61,080,834.15
4. Step 4: Simplify right side
   111,316,285.67x = 9,383,018,754,200,192
5. Step 5: Solve for x
   x = 9,383,018,754,200,192/111,316,285.67
6. Step 6: Final answer
   x = 84,291,518.52