Finding the Fourth Proportional to 114,986.58, 158,686.72 and 64,002.58

Step by Step Solution

1. Step 1: Write the proportion equation
   114,986.58 : 158,686.72 = 64,002.58 : x
2. Step 2: Convert to fraction form
   114,986.58/158,686.72 = 64,002.58/x
3. Step 3: Cross multiply
   114,986.58x = 158,686.72 × 64,002.58
4. Step 4: Simplify right side
   114,986.58x = 10,156,359,491.74
5. Step 5: Solve for x
   x = 10,156,359,491.74/114,986.58
6. Step 6: Final answer
   x = 88,326.48