Finding the Fourth Proportional to 151,507.98, 209,068.72 and 87,849.88

Step by Step Solution

1. Step 1: Write the proportion equation
   151,507.98 : 209,068.72 = 87,849.88 : x
2. Step 2: Convert to fraction form
   151,507.98/209,068.72 = 87,849.88/x
3. Step 3: Cross multiply
   151,507.98x = 209,068.72 × 87,849.88
4. Step 4: Simplify right side
   151,507.98x = 18,366,661,221.46
5. Step 5: Solve for x
   x = 18,366,661,221.46/151,507.98
6. Step 6: Final answer
   x = 121,225.70