Finding the Fourth Proportional to 9,330.55, 12,875.02 and 5,553.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,330.55 : 12,875.02 = 5,553.89 : x
2. Step 2: Convert to fraction form
   9,330.55/12,875.02 = 5,553.89/x
3. Step 3: Cross multiply
   9,330.55x = 12,875.02 × 5,553.89
4. Step 4: Simplify right side
   9,330.55x = 71,506,417.06
5. Step 5: Solve for x
   x = 71,506,417.06/9,330.55
6. Step 6: Final answer
   x = 7,663.69