Finding the Fourth Proportional to 114,722.16, 158,290.86 and 64,417.92

Step by Step Solution

1. Step 1: Write the proportion equation
   114,722.16 : 158,290.86 = 64,417.92 : x
2. Step 2: Convert to fraction form
   114,722.16/158,290.86 = 64,417.92/x
3. Step 3: Cross multiply
   114,722.16x = 158,290.86 × 64,417.92
4. Step 4: Simplify right side
   114,722.16x = 10,196,767,956.21
5. Step 5: Solve for x
   x = 10,196,767,956.21/114,722.16
6. Step 6: Final answer
   x = 88,882.29