Finding the Fourth Proportional to 2,113.57, 2,915.31 and 1,484.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113.57 : 2,915.31 = 1,484.13 : x
2. Step 2: Convert to fraction form
   2,113.57/2,915.31 = 1,484.13/x
3. Step 3: Cross multiply
   2,113.57x = 2,915.31 × 1,484.13
4. Step 4: Simplify right side
   2,113.57x = 4,326,699.03
5. Step 5: Solve for x
   x = 4,326,699.03/2,113.57
6. Step 6: Final answer
   x = 2,047.11