Finding the Fourth Proportional to 9,089.82, 12,543.81 and 5,056.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,089.82 : 12,543.81 = 5,056.61 : x
2. Step 2: Convert to fraction form
   9,089.82/12,543.81 = 5,056.61/x
3. Step 3: Cross multiply
   9,089.82x = 12,543.81 × 5,056.61
4. Step 4: Simplify right side
   9,089.82x = 63,429,092.37
5. Step 5: Solve for x
   x = 63,429,092.37/9,089.82
6. Step 6: Final answer
   x = 6,978.04