Finding the Fourth Proportional to 10,436.64, 14,402.52 and 5,720.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,436.64 : 14,402.52 = 5,720.88 : x
2. Step 2: Convert to fraction form
   10,436.64/14,402.52 = 5,720.88/x
3. Step 3: Cross multiply
   10,436.64x = 14,402.52 × 5,720.88
4. Step 4: Simplify right side
   10,436.64x = 82,395,088.62
5. Step 5: Solve for x
   x = 82,395,088.62/10,436.64
6. Step 6: Final answer
   x = 7,894.79