Finding the Fourth Proportional to 151,546.20, 209,023.83 and 103,061.95

Step by Step Solution

1. Step 1: Write the proportion equation
   151,546.20 : 209,023.83 = 103,061.95 : x
2. Step 2: Convert to fraction form
   151,546.20/209,023.83 = 103,061.95/x
3. Step 3: Cross multiply
   151,546.20x = 209,023.83 × 103,061.95
4. Step 4: Simplify right side
   151,546.20x = 21,542,403,516.27
5. Step 5: Solve for x
   x = 21,542,403,516.27/151,546.20
6. Step 6: Final answer
   x = 142,150.73