Finding the Fourth Proportional to 93,132,231.72, 127,591,736.25 and 89,641,385.88

Step by Step Solution

1. Step 1: Write the proportion equation
   93,132,231.72 : 127,591,736.25 = 89,641,385.88 : x
2. Step 2: Convert to fraction form
   93,132,231.72/127,591,736.25 = 89,641,385.88/x
3. Step 3: Cross multiply
   93,132,231.72x = 127,591,736.25 × 89,641,385.88
4. Step 4: Simplify right side
   93,132,231.72x = 11,437,500,064,285,434
5. Step 5: Solve for x
   x = 11,437,500,064,285,434/93,132,231.72
6. Step 6: Final answer
   x = 122,809,255.75