Finding the Fourth Proportional to 72,401.36, 108,567.96 and 28,048.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,401.36 : 108,567.96 = 28,048.88 : x
2. Step 2: Convert to fraction form
   72,401.36/108,567.96 = 28,048.88/x
3. Step 3: Cross multiply
   72,401.36x = 108,567.96 × 28,048.88
4. Step 4: Simplify right side
   72,401.36x = 3,045,209,681.88
5. Step 5: Solve for x
   x = 3,045,209,681.88/72,401.36
6. Step 6: Final answer
   x = 42,060.12