Finding the Fourth Proportional to 151,453.91, 209,005.71 and 83,470.74

Step by Step Solution

1. Step 1: Write the proportion equation
   151,453.91 : 209,005.71 = 83,470.74 : x
2. Step 2: Convert to fraction form
   151,453.91/209,005.71 = 83,470.74/x
3. Step 3: Cross multiply
   151,453.91x = 209,005.71 × 83,470.74
4. Step 4: Simplify right side
   151,453.91x = 17,445,861,277.93
5. Step 5: Solve for x
   x = 17,445,861,277.93/151,453.91
6. Step 6: Final answer
   x = 115,189.24