Finding the Fourth Proportional to 114,492.78, 158,000.07 and 64,191.78

Step by Step Solution

1. Step 1: Write the proportion equation
   114,492.78 : 158,000.07 = 64,191.78 : x
2. Step 2: Convert to fraction form
   114,492.78/158,000.07 = 64,191.78/x
3. Step 3: Cross multiply
   114,492.78x = 158,000.07 × 64,191.78
4. Step 4: Simplify right side
   114,492.78x = 10,142,305,733.42
5. Step 5: Solve for x
   x = 10,142,305,733.42/114,492.78
6. Step 6: Final answer
   x = 88,584.68