Finding the Fourth Proportional to 8,784.86, 12,127.07 and 5,602.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,784.86 : 12,127.07 = 5,602.43 : x
2. Step 2: Convert to fraction form
   8,784.86/12,127.07 = 5,602.43/x
3. Step 3: Cross multiply
   8,784.86x = 12,127.07 × 5,602.43
4. Step 4: Simplify right side
   8,784.86x = 67,941,060.78
5. Step 5: Solve for x
   x = 67,941,060.78/8,784.86
6. Step 6: Final answer
   x = 7,733.88