Finding the Fourth Proportional to 11,384.08, 15,700.40 and 7,402.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,384.08 : 15,700.40 = 7,402.16 : x
2. Step 2: Convert to fraction form
   11,384.08/15,700.40 = 7,402.16/x
3. Step 3: Cross multiply
   11,384.08x = 15,700.40 × 7,402.16
4. Step 4: Simplify right side
   11,384.08x = 116,216,872.86
5. Step 5: Solve for x
   x = 116,216,872.86/11,384.08
6. Step 6: Final answer
   x = 10,208.72