Finding the Fourth Proportional to 13,288.72, 19,937.52 and 5,892.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,288.72 : 19,937.52 = 5,892.16 : x
2. Step 2: Convert to fraction form
   13,288.72/19,937.52 = 5,892.16/x
3. Step 3: Cross multiply
   13,288.72x = 19,937.52 × 5,892.16
4. Step 4: Simplify right side
   13,288.72x = 117,475,057.84
5. Step 5: Solve for x
   x = 117,475,057.84/13,288.72
6. Step 6: Final answer
   x = 8,840.21