Finding the Fourth Proportional to 48,411.02, 72,618.34 and 13,353.32

Step by Step Solution

1. Step 1: Write the proportion equation
   48,411.02 : 72,618.34 = 13,353.32 : x
2. Step 2: Convert to fraction form
   48,411.02/72,618.34 = 13,353.32/x
3. Step 3: Cross multiply
   48,411.02x = 72,618.34 × 13,353.32
4. Step 4: Simplify right side
   48,411.02x = 969,695,931.89
5. Step 5: Solve for x
   x = 969,695,931.89/48,411.02
6. Step 6: Final answer
   x = 20,030.48