Finding the Fourth Proportional to 114,720.03, 158,315.72 and 64,420.83

Step by Step Solution

1. Step 1: Write the proportion equation
   114,720.03 : 158,315.72 = 64,420.83 : x
2. Step 2: Convert to fraction form
   114,720.03/158,315.72 = 64,420.83/x
3. Step 3: Cross multiply
   114,720.03x = 158,315.72 × 64,420.83
4. Step 4: Simplify right side
   114,720.03x = 10,198,829,762.34
5. Step 5: Solve for x
   x = 10,198,829,762.34/114,720.03
6. Step 6: Final answer
   x = 88,901.91