Finding the Fourth Proportional to 62,916.75, 86,825.72 and 34,623.05

Step by Step Solution

1. Step 1: Write the proportion equation
   62,916.75 : 86,825.72 = 34,623.05 : x
2. Step 2: Convert to fraction form
   62,916.75/86,825.72 = 34,623.05/x
3. Step 3: Cross multiply
   62,916.75x = 86,825.72 × 34,623.05
4. Step 4: Simplify right side
   62,916.75x = 3,006,170,897.28
5. Step 5: Solve for x
   x = 3,006,170,897.28/62,916.75
6. Step 6: Final answer
   x = 47,780.14