Finding the Fourth Proportional to 9,320.84, 12,858.53 and 5,541.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,320.84 : 12,858.53 = 5,541.86 : x
2. Step 2: Convert to fraction form
   9,320.84/12,858.53 = 5,541.86/x
3. Step 3: Cross multiply
   9,320.84x = 12,858.53 × 5,541.86
4. Step 4: Simplify right side
   9,320.84x = 71,260,177.50
5. Step 5: Solve for x
   x = 71,260,177.50/9,320.84
6. Step 6: Final answer
   x = 7,645.25