Finding the Fourth Proportional to 62,585.34, 86,366.43 and 34,290.42

Step by Step Solution

1. Step 1: Write the proportion equation
   62,585.34 : 86,366.43 = 34,290.42 : x
2. Step 2: Convert to fraction form
   62,585.34/86,366.43 = 34,290.42/x
3. Step 3: Cross multiply
   62,585.34x = 86,366.43 × 34,290.42
4. Step 4: Simplify right side
   62,585.34x = 2,961,541,158.60
5. Step 5: Solve for x
   x = 2,961,541,158.60/62,585.34
6. Step 6: Final answer
   x = 47,320.05