Finding the Fourth Proportional to 219,710.18, 329,565.27 and 79,436.00

Step by Step Solution

1. Step 1: Write the proportion equation
   219,710.18 : 329,565.27 = 79,436.00 : x
2. Step 2: Convert to fraction form
   219,710.18/329,565.27 = 79,436.00/x
3. Step 3: Cross multiply
   219,710.18x = 329,565.27 × 79,436.00
4. Step 4: Simplify right side
   219,710.18x = 26,179,345,139.89
5. Step 5: Solve for x
   x = 26,179,345,139.89/219,710.18
6. Step 6: Final answer
   x = 119,154.00