Finding the Fourth Proportional to 15,468.02, 21,345.86 and 8,753.53

Step by Step Solution

1. Step 1: Write the proportion equation
   15,468.02 : 21,345.86 = 8,753.53 : x
2. Step 2: Convert to fraction form
   15,468.02/21,345.86 = 8,753.53/x
3. Step 3: Cross multiply
   15,468.02x = 21,345.86 × 8,753.53
4. Step 4: Simplify right side
   15,468.02x = 186,851,634.43
5. Step 5: Solve for x
   x = 186,851,634.43/15,468.02
6. Step 6: Final answer
   x = 12,079.86