Finding the Fourth Proportional to 72,066.56, 108,111.36 and 25,320.96

Step by Step Solution

1. Step 1: Write the proportion equation
   72,066.56 : 108,111.36 = 25,320.96 : x
2. Step 2: Convert to fraction form
   72,066.56/108,111.36 = 25,320.96/x
3. Step 3: Cross multiply
   72,066.56x = 108,111.36 × 25,320.96
4. Step 4: Simplify right side
   72,066.56x = 2,737,483,422.11
5. Step 5: Solve for x
   x = 2,737,483,422.11/72,066.56
6. Step 6: Final answer
   x = 37,985.49