Finding the Fourth Proportional to 160,541,314.88, 221,565,393.30 and 89,995,978.50

Step by Step Solution

1. Step 1: Write the proportion equation
   160,541,314.88 : 221,565,393.30 = 89,995,978.50 : x
2. Step 2: Convert to fraction form
   160,541,314.88/221,565,393.30 = 89,995,978.50/x
3. Step 3: Cross multiply
   160,541,314.88x = 221,565,393.30 × 89,995,978.50
4. Step 4: Simplify right side
   160,541,314.88x = 19,939,994,371,770,844
5. Step 5: Solve for x
   x = 19,939,994,371,770,844/160,541,314.88
6. Step 6: Final answer
   x = 124,204,753.07