Finding the Fourth Proportional to 62,485.89, 86,230.50 and 34,191.57

Step by Step Solution

1. Step 1: Write the proportion equation
   62,485.89 : 86,230.50 = 34,191.57 : x
2. Step 2: Convert to fraction form
   62,485.89/86,230.50 = 34,191.57/x
3. Step 3: Cross multiply
   62,485.89x = 86,230.50 × 34,191.57
4. Step 4: Simplify right side
   62,485.89x = 2,948,356,176.89
5. Step 5: Solve for x
   x = 2,948,356,176.89/62,485.89
6. Step 6: Final answer
   x = 47,184.35