Finding the Fourth Proportional to 62,433.50, 86,158.59 and 40,077.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,433.50 : 86,158.59 = 40,077.50 : x
2. Step 2: Convert to fraction form
   62,433.50/86,158.59 = 40,077.50/x
3. Step 3: Cross multiply
   62,433.50x = 86,158.59 × 40,077.50
4. Step 4: Simplify right side
   62,433.50x = 3,453,020,890.73
5. Step 5: Solve for x
   x = 3,453,020,890.73/62,433.50
6. Step 6: Final answer
   x = 55,307.18