Finding the Fourth Proportional to 88,748.02, 122,440.89 and 56,934.10

Step by Step Solution

1. Step 1: Write the proportion equation
   88,748.02 : 122,440.89 = 56,934.10 : x
2. Step 2: Convert to fraction form
   88,748.02/122,440.89 = 56,934.10/x
3. Step 3: Cross multiply
   88,748.02x = 122,440.89 × 56,934.10
4. Step 4: Simplify right side
   88,748.02x = 6,971,061,875.35
5. Step 5: Solve for x
   x = 6,971,061,875.35/88,748.02
6. Step 6: Final answer
   x = 78,548.93