Finding the Fourth Proportional to 151,561.86, 209,167.29 and 83,585.04

Step by Step Solution

1. Step 1: Write the proportion equation
   151,561.86 : 209,167.29 = 83,585.04 : x
2. Step 2: Convert to fraction form
   151,561.86/209,167.29 = 83,585.04/x
3. Step 3: Cross multiply
   151,561.86x = 209,167.29 × 83,585.04
4. Step 4: Simplify right side
   151,561.86x = 17,483,256,301.34
5. Step 5: Solve for x
   x = 17,483,256,301.34/151,561.86
6. Step 6: Final answer
   x = 115,353.93