Finding the Fourth Proportional to 21,603.59, 32,400.51 and 7,752.59

Step by Step Solution

1. Step 1: Write the proportion equation
   21,603.59 : 32,400.51 = 7,752.59 : x
2. Step 2: Convert to fraction form
   21,603.59/32,400.51 = 7,752.59/x
3. Step 3: Cross multiply
   21,603.59x = 32,400.51 × 7,752.59
4. Step 4: Simplify right side
   21,603.59x = 251,187,707.82
5. Step 5: Solve for x
   x = 251,187,707.82/21,603.59
6. Step 6: Final answer
   x = 11,627.13