Finding the Fourth Proportional to 55,856.72, 83,784.36 and 13,737.16

Step by Step Solution

1. Step 1: Write the proportion equation
   55,856.72 : 83,784.36 = 13,737.16 : x
2. Step 2: Convert to fraction form
   55,856.72/83,784.36 = 13,737.16/x
3. Step 3: Cross multiply
   55,856.72x = 83,784.36 × 13,737.16
4. Step 4: Simplify right side
   55,856.72x = 1,150,959,158.82
5. Step 5: Solve for x
   x = 1,150,959,158.82/55,856.72
6. Step 6: Final answer
   x = 20,605.56