Finding the Fourth Proportional to 151,458.74, 209,004.53 and 83,475.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,458.74 : 209,004.53 = 83,475.50 : x
2. Step 2: Convert to fraction form
   151,458.74/209,004.53 = 83,475.50/x
3. Step 3: Cross multiply
   151,458.74x = 209,004.53 × 83,475.50
4. Step 4: Simplify right side
   151,458.74x = 17,446,758,179.87
5. Step 5: Solve for x
   x = 17,446,758,179.87/151,458.74
6. Step 6: Final answer
   x = 115,191.49