Finding the Fourth Proportional to 9,090.02, 12,545.18 and 5,555.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,090.02 : 12,545.18 = 5,555.59 : x
2. Step 2: Convert to fraction form
   9,090.02/12,545.18 = 5,555.59/x
3. Step 3: Cross multiply
   9,090.02x = 12,545.18 × 5,555.59
4. Step 4: Simplify right side
   9,090.02x = 69,695,838.25
5. Step 5: Solve for x
   x = 69,695,838.25/9,090.02
6. Step 6: Final answer
   x = 7,667.29