Finding the Fourth Proportional to 114,815.88, 158,445.99 and 66,424.59

Step by Step Solution

1. Step 1: Write the proportion equation
   114,815.88 : 158,445.99 = 66,424.59 : x
2. Step 2: Convert to fraction form
   114,815.88/158,445.99 = 66,424.59/x
3. Step 3: Cross multiply
   114,815.88x = 158,445.99 × 66,424.59
4. Step 4: Simplify right side
   114,815.88x = 10,524,709,922.89
5. Step 5: Solve for x
   x = 10,524,709,922.89/114,815.88
6. Step 6: Final answer
   x = 91,665.98