Finding the Fourth Proportional to 48,172.42, 72,165.12 and 35,499.18

Step by Step Solution

1. Step 1: Write the proportion equation
   48,172.42 : 72,165.12 = 35,499.18 : x
2. Step 2: Convert to fraction form
   48,172.42/72,165.12 = 35,499.18/x
3. Step 3: Cross multiply
   48,172.42x = 72,165.12 × 35,499.18
4. Step 4: Simplify right side
   48,172.42x = 2,561,802,223.78
5. Step 5: Solve for x
   x = 2,561,802,223.78/48,172.42
6. Step 6: Final answer
   x = 53,179.85