Finding the Fourth Proportional to 32,018.72, 48,030.12 and 13,300.28

Step by Step Solution

1. Step 1: Write the proportion equation
   32,018.72 : 48,030.12 = 13,300.28 : x
2. Step 2: Convert to fraction form
   32,018.72/48,030.12 = 13,300.28/x
3. Step 3: Cross multiply
   32,018.72x = 48,030.12 × 13,300.28
4. Step 4: Simplify right side
   32,018.72x = 638,813,737.78
5. Step 5: Solve for x
   x = 638,813,737.78/32,018.72
6. Step 6: Final answer
   x = 19,951.26