Finding the Fourth Proportional to 151,562.61, 209,168.33 and 83,585.79

Step by Step Solution

1. Step 1: Write the proportion equation
   151,562.61 : 209,168.33 = 83,585.79 : x
2. Step 2: Convert to fraction form
   151,562.61/209,168.33 = 83,585.79/x
3. Step 3: Cross multiply
   151,562.61x = 209,168.33 × 83,585.79
4. Step 4: Simplify right side
   151,562.61x = 17,483,499,688.10
5. Step 5: Solve for x
   x = 17,483,499,688.10/151,562.61
6. Step 6: Final answer
   x = 115,354.97