Finding the Fourth Proportional to 15,610.84, 21,543.52 and 8,897.48

Step by Step Solution

1. Step 1: Write the proportion equation
   15,610.84 : 21,543.52 = 8,897.48 : x
2. Step 2: Convert to fraction form
   15,610.84/21,543.52 = 8,897.48/x
3. Step 3: Cross multiply
   15,610.84x = 21,543.52 × 8,897.48
4. Step 4: Simplify right side
   15,610.84x = 191,683,038.33
5. Step 5: Solve for x
   x = 191,683,038.33/15,610.84
6. Step 6: Final answer
   x = 12,278.84