Finding the Fourth Proportional to 2,123.76, 2,927.12 and 1,598.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.76 : 2,927.12 = 1,598.88 : x
2. Step 2: Convert to fraction form
   2,123.76/2,927.12 = 1,598.88/x
3. Step 3: Cross multiply
   2,123.76x = 2,927.12 × 1,598.88
4. Step 4: Simplify right side
   2,123.76x = 4,680,113.63
5. Step 5: Solve for x
   x = 4,680,113.63/2,123.76
6. Step 6: Final answer
   x = 2,203.69