Finding the Fourth Proportional to 151,333.53, 208,821.98 and 86,799.42

Step by Step Solution

1. Step 1: Write the proportion equation
   151,333.53 : 208,821.98 = 86,799.42 : x
2. Step 2: Convert to fraction form
   151,333.53/208,821.98 = 86,799.42/x
3. Step 3: Cross multiply
   151,333.53x = 208,821.98 × 86,799.42
4. Step 4: Simplify right side
   151,333.53x = 18,125,626,964.25
5. Step 5: Solve for x
   x = 18,125,626,964.25/151,333.53
6. Step 6: Final answer
   x = 119,772.71