Finding the Fourth Proportional to 9,437.86, 14,162.22 and 5,545

Step by Step Solution

1. Step 1: Write the proportion equation
   9,437.86 : 14,162.22 = 5,545 : x
2. Step 2: Convert to fraction form
   9,437.86/14,162.22 = 5,545/x
3. Step 3: Cross multiply
   9,437.86x = 14,162.22 × 5,545
4. Step 4: Simplify right side
   9,437.86x = 78,529,509.90
5. Step 5: Solve for x
   x = 78,529,509.90/9,437.86
6. Step 6: Final answer
   x = 8,320.69