Finding the Fourth Proportional to 9,868.47, 13,603.15 and 7,346.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,868.47 : 13,603.15 = 7,346.59 : x
2. Step 2: Convert to fraction form
   9,868.47/13,603.15 = 7,346.59/x
3. Step 3: Cross multiply
   9,868.47x = 13,603.15 × 7,346.59
4. Step 4: Simplify right side
   9,868.47x = 99,936,765.76
5. Step 5: Solve for x
   x = 99,936,765.76/9,868.47
6. Step 6: Final answer
   x = 10,126.88