Finding the Fourth Proportional to 62,105.50, 85,763.91 and 43,294.78

Step by Step Solution

1. Step 1: Write the proportion equation
   62,105.50 : 85,763.91 = 43,294.78 : x
2. Step 2: Convert to fraction form
   62,105.50/85,763.91 = 43,294.78/x
3. Step 3: Cross multiply
   62,105.50x = 85,763.91 × 43,294.78
4. Step 4: Simplify right side
   62,105.50x = 3,713,129,615.39
5. Step 5: Solve for x
   x = 3,713,129,615.39/62,105.50
6. Step 6: Final answer
   x = 59,787.45