Finding the Fourth Proportional to 114,715.44, 158,290.20 and 64,404.72

Step by Step Solution

1. Step 1: Write the proportion equation
   114,715.44 : 158,290.20 = 64,404.72 : x
2. Step 2: Convert to fraction form
   114,715.44/158,290.20 = 64,404.72/x
3. Step 3: Cross multiply
   114,715.44x = 158,290.20 × 64,404.72
4. Step 4: Simplify right side
   114,715.44x = 10,194,636,009.74
5. Step 5: Solve for x
   x = 10,194,636,009.74/114,715.44
6. Step 6: Final answer
   x = 88,868.91