Finding the Fourth Proportional to 114,396, 157,876.20 and 64,104.72

Step by Step Solution

1. Step 1: Write the proportion equation
   114,396 : 157,876.20 = 64,104.72 : x
2. Step 2: Convert to fraction form
   114,396/157,876.20 = 64,104.72/x
3. Step 3: Cross multiply
   114,396x = 157,876.20 × 64,104.72
4. Step 4: Simplify right side
   114,396x = 10,120,609,595.66
5. Step 5: Solve for x
   x = 10,120,609,595.66/114,396
6. Step 6: Final answer
   x = 88,469.96