Finding the Fourth Proportional to 2,123.13, 3,184.47 and 1,300.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.13 : 3,184.47 = 1,300.98 : x
2. Step 2: Convert to fraction form
   2,123.13/3,184.47 = 1,300.98/x
3. Step 3: Cross multiply
   2,123.13x = 3,184.47 × 1,300.98
4. Step 4: Simplify right side
   2,123.13x = 4,142,931.78
5. Step 5: Solve for x
   x = 4,142,931.78/2,123.13
6. Step 6: Final answer
   x = 1,951.33