Finding the Fourth Proportional to 62,823.33, 86,725.89 and 39,864.69

Step by Step Solution

1. Step 1: Write the proportion equation
   62,823.33 : 86,725.89 = 39,864.69 : x
2. Step 2: Convert to fraction form
   62,823.33/86,725.89 = 39,864.69/x
3. Step 3: Cross multiply
   62,823.33x = 86,725.89 × 39,864.69
4. Step 4: Simplify right side
   62,823.33x = 3,457,300,719.82
5. Step 5: Solve for x
   x = 3,457,300,719.82/62,823.33
6. Step 6: Final answer
   x = 55,032.11