Finding the Fourth Proportional to 151,648.22, 209,275.25 and 83,666.02

Step by Step Solution

1. Step 1: Write the proportion equation
   151,648.22 : 209,275.25 = 83,666.02 : x
2. Step 2: Convert to fraction form
   151,648.22/209,275.25 = 83,666.02/x
3. Step 3: Cross multiply
   151,648.22x = 209,275.25 × 83,666.02
4. Step 4: Simplify right side
   151,648.22x = 17,509,227,252.01
5. Step 5: Solve for x
   x = 17,509,227,252.01/151,648.22
6. Step 6: Final answer
   x = 115,459.50