Finding the Fourth Proportional to 9,002.16, 13,497.12 and 3,158

Step by Step Solution

1. Step 1: Write the proportion equation
   9,002.16 : 13,497.12 = 3,158 : x
2. Step 2: Convert to fraction form
   9,002.16/13,497.12 = 3,158/x
3. Step 3: Cross multiply
   9,002.16x = 13,497.12 × 3,158
4. Step 4: Simplify right side
   9,002.16x = 42,623,904.96
5. Step 5: Solve for x
   x = 42,623,904.96/9,002.16
6. Step 6: Final answer
   x = 4,734.85