Finding the Fourth Proportional to 21,897.60, 32,849.72 and 8,045.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,897.60 : 32,849.72 = 8,045.52 : x
2. Step 2: Convert to fraction form
   21,897.60/32,849.72 = 8,045.52/x
3. Step 3: Cross multiply
   21,897.60x = 32,849.72 × 8,045.52
4. Step 4: Simplify right side
   21,897.60x = 264,293,079.25
5. Step 5: Solve for x
   x = 264,293,079.25/21,897.60
6. Step 6: Final answer
   x = 12,069.50