Finding the Fourth Proportional to 82,619.48, 123,827.70 and 38,186.12

Step by Step Solution

1. Step 1: Write the proportion equation
   82,619.48 : 123,827.70 = 38,186.12 : x
2. Step 2: Convert to fraction form
   82,619.48/123,827.70 = 38,186.12/x
3. Step 3: Cross multiply
   82,619.48x = 123,827.70 × 38,186.12
4. Step 4: Simplify right side
   82,619.48x = 4,728,499,411.52
5. Step 5: Solve for x
   x = 4,728,499,411.52/82,619.48
6. Step 6: Final answer
   x = 57,232.26