Finding the Fourth Proportional to 2,124.16, 2,931.32 and 1,167.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.16 : 2,931.32 = 1,167.08 : x
2. Step 2: Convert to fraction form
   2,124.16/2,931.32 = 1,167.08/x
3. Step 3: Cross multiply
   2,124.16x = 2,931.32 × 1,167.08
4. Step 4: Simplify right side
   2,124.16x = 3,421,084.95
5. Step 5: Solve for x
   x = 3,421,084.95/2,124.16
6. Step 6: Final answer
   x = 1,610.56