Finding the Fourth Proportional to 151,651.47, 209,279.75 and 83,669.25

Step by Step Solution

1. Step 1: Write the proportion equation
   151,651.47 : 209,279.75 = 83,669.25 : x
2. Step 2: Convert to fraction form
   151,651.47/209,279.75 = 83,669.25/x
3. Step 3: Cross multiply
   151,651.47x = 209,279.75 × 83,669.25
4. Step 4: Simplify right side
   151,651.47x = 17,510,279,304.34
5. Step 5: Solve for x
   x = 17,510,279,304.34/151,651.47
6. Step 6: Final answer
   x = 115,463.96