Finding the Fourth Proportional to 151,453.46, 209,004.81 and 83,470.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,453.46 : 209,004.81 = 83,470.50 : x
2. Step 2: Convert to fraction form
   151,453.46/209,004.81 = 83,470.50/x
3. Step 3: Cross multiply
   151,453.46x = 209,004.81 × 83,470.50
4. Step 4: Simplify right side
   151,453.46x = 17,445,735,680.09
5. Step 5: Solve for x
   x = 17,445,735,680.09/151,453.46
6. Step 6: Final answer
   x = 115,188.75