Finding the Fourth Proportional to 2,114.74, 2,915.76 and 1,553.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.74 : 2,915.76 = 1,553.50 : x
2. Step 2: Convert to fraction form
   2,114.74/2,915.76 = 1,553.50/x
3. Step 3: Cross multiply
   2,114.74x = 2,915.76 × 1,553.50
4. Step 4: Simplify right side
   2,114.74x = 4,529,633.16
5. Step 5: Solve for x
   x = 4,529,633.16/2,114.74
6. Step 6: Final answer
   x = 2,141.93