Finding the Fourth Proportional to 293,073.47, 439,548.69 and 82,662.20

Step by Step Solution

1. Step 1: Write the proportion equation
   293,073.47 : 439,548.69 = 82,662.20 : x
2. Step 2: Convert to fraction form
   293,073.47/439,548.69 = 82,662.20/x
3. Step 3: Cross multiply
   293,073.47x = 439,548.69 × 82,662.20
4. Step 4: Simplify right side
   293,073.47x = 36,334,059,111.46
5. Step 5: Solve for x
   x = 36,334,059,111.46/293,073.47
6. Step 6: Final answer
   x = 123,975.94