Finding the Fourth Proportional to 62,381.89, 86,096.73 and 39,730.65

Step by Step Solution

1. Step 1: Write the proportion equation
   62,381.89 : 86,096.73 = 39,730.65 : x
2. Step 2: Convert to fraction form
   62,381.89/86,096.73 = 39,730.65/x
3. Step 3: Cross multiply
   62,381.89x = 86,096.73 × 39,730.65
4. Step 4: Simplify right side
   62,381.89x = 3,420,679,045.77
5. Step 5: Solve for x
   x = 3,420,679,045.77/62,381.89
6. Step 6: Final answer
   x = 54,834.49