Finding the Fourth Proportional to 146,071.17, 219,029.00 and 86,124.69

Step by Step Solution

1. Step 1: Write the proportion equation
   146,071.17 : 219,029.00 = 86,124.69 : x
2. Step 2: Convert to fraction form
   146,071.17/219,029.00 = 86,124.69/x
3. Step 3: Cross multiply
   146,071.17x = 219,029.00 × 86,124.69
4. Step 4: Simplify right side
   146,071.17x = 18,863,804,295.39
5. Step 5: Solve for x
   x = 18,863,804,295.39/146,071.17
6. Step 6: Final answer
   x = 129,141.19