Finding the Fourth Proportional to 82,895.31, 124,245.54 and 38,428.47

Step by Step Solution

1. Step 1: Write the proportion equation
   82,895.31 : 124,245.54 = 38,428.47 : x
2. Step 2: Convert to fraction form
   82,895.31/124,245.54 = 38,428.47/x
3. Step 3: Cross multiply
   82,895.31x = 124,245.54 × 38,428.47
4. Step 4: Simplify right side
   82,895.31x = 4,774,566,006.52
5. Step 5: Solve for x
   x = 4,774,566,006.52/82,895.31
6. Step 6: Final answer
   x = 57,597.54