Finding the Fourth Proportional to 151,494.28, 209,052.72 and 83,507.74

Step by Step Solution

1. Step 1: Write the proportion equation
   151,494.28 : 209,052.72 = 83,507.74 : x
2. Step 2: Convert to fraction form
   151,494.28/209,052.72 = 83,507.74/x
3. Step 3: Cross multiply
   151,494.28x = 209,052.72 × 83,507.74
4. Step 4: Simplify right side
   151,494.28x = 17,457,520,188.05
5. Step 5: Solve for x
   x = 17,457,520,188.05/151,494.28
6. Step 6: Final answer
   x = 115,235.51