Finding the Fourth Proportional to 102,828.32, 141,910.31 and 57,510.52

Step by Step Solution

1. Step 1: Write the proportion equation
   102,828.32 : 141,910.31 = 57,510.52 : x
2. Step 2: Convert to fraction form
   102,828.32/141,910.31 = 57,510.52/x
3. Step 3: Cross multiply
   102,828.32x = 141,910.31 × 57,510.52
4. Step 4: Simplify right side
   102,828.32x = 8,161,335,721.46
5. Step 5: Solve for x
   x = 8,161,335,721.46/102,828.32
6. Step 6: Final answer
   x = 79,368.56