Finding the Fourth Proportional to 23,988, 35,987.76 and 7,572

Step by Step Solution

1. Step 1: Write the proportion equation
   23,988 : 35,987.76 = 7,572 : x
2. Step 2: Convert to fraction form
   23,988/35,987.76 = 7,572/x
3. Step 3: Cross multiply
   23,988x = 35,987.76 × 7,572
4. Step 4: Simplify right side
   23,988x = 272,499,318.72
5. Step 5: Solve for x
   x = 272,499,318.72/23,988
6. Step 6: Final answer
   x = 11,359.82