Finding the Fourth Proportional to 88,883.84, 122,741.55 and 57,108.10

Step by Step Solution

1. Step 1: Write the proportion equation
   88,883.84 : 122,741.55 = 57,108.10 : x
2. Step 2: Convert to fraction form
   88,883.84/122,741.55 = 57,108.10/x
3. Step 3: Cross multiply
   88,883.84x = 122,741.55 × 57,108.10
4. Step 4: Simplify right side
   88,883.84x = 7,009,536,426.01
5. Step 5: Solve for x
   x = 7,009,536,426.01/88,883.84
6. Step 6: Final answer
   x = 78,861.77