Finding the Fourth Proportional to 151,494.41, 209,052.89 and 83,507.87

Step by Step Solution

1. Step 1: Write the proportion equation
   151,494.41 : 209,052.89 = 83,507.87 : x
2. Step 2: Convert to fraction form
   151,494.41/209,052.89 = 83,507.87/x
3. Step 3: Cross multiply
   151,494.41x = 209,052.89 × 83,507.87
4. Step 4: Simplify right side
   151,494.41x = 17,457,561,561.24
5. Step 5: Solve for x
   x = 17,457,561,561.24/151,494.41
6. Step 6: Final answer
   x = 115,235.68