Finding the Fourth Proportional to 82,407.16, 113,680.02 and 52,141.48

Step by Step Solution

1. Step 1: Write the proportion equation
   82,407.16 : 113,680.02 = 52,141.48 : x
2. Step 2: Convert to fraction form
   82,407.16/113,680.02 = 52,141.48/x
3. Step 3: Cross multiply
   82,407.16x = 113,680.02 × 52,141.48
4. Step 4: Simplify right side
   82,407.16x = 5,927,444,489.23
5. Step 5: Solve for x
   x = 5,927,444,489.23/82,407.16
6. Step 6: Final answer
   x = 71,928.76