Finding the Fourth Proportional to 151,625.02, 209,242.53 and 83,642.16

Step by Step Solution

1. Step 1: Write the proportion equation
   151,625.02 : 209,242.53 = 83,642.16 : x
2. Step 2: Convert to fraction form
   151,625.02/209,242.53 = 83,642.16/x
3. Step 3: Cross multiply
   151,625.02x = 209,242.53 × 83,642.16
4. Step 4: Simplify right side
   151,625.02x = 17,501,496,898.16
5. Step 5: Solve for x
   x = 17,501,496,898.16/151,625.02
6. Step 6: Final answer
   x = 115,426.18