Finding the Fourth Proportional to 89,880,745.34, 124,121,092.56 and 84,984,110.66

Step by Step Solution

1. Step 1: Write the proportion equation
   89,880,745.34 : 124,121,092.56 = 84,984,110.66 : x
2. Step 2: Convert to fraction form
   89,880,745.34/124,121,092.56 = 84,984,110.66/x
3. Step 3: Cross multiply
   89,880,745.34x = 124,121,092.56 × 84,984,110.66
4. Step 4: Simplify right side
   89,880,745.34x = 10,548,320,665,359,142
5. Step 5: Solve for x
   x = 10,548,320,665,359,142/89,880,745.34
6. Step 6: Final answer
   x = 117,359,069.79