Finding the Fourth Proportional to 209,179.34, 288,669.72 and 113,686.04

Step by Step Solution

1. Step 1: Write the proportion equation
   209,179.34 : 288,669.72 = 113,686.04 : x
2. Step 2: Convert to fraction form
   209,179.34/288,669.72 = 113,686.04/x
3. Step 3: Cross multiply
   209,179.34x = 288,669.72 × 113,686.04
4. Step 4: Simplify right side
   209,179.34x = 32,817,717,334.71
5. Step 5: Solve for x
   x = 32,817,717,334.71/209,179.34
6. Step 6: Final answer
   x = 156,887.95