Finding the Fourth Proportional to 1,401.56, 2,100.42 and 534.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.56 : 2,100.42 = 534.68 : x
2. Step 2: Convert to fraction form
   1,401.56/2,100.42 = 534.68/x
3. Step 3: Cross multiply
   1,401.56x = 2,100.42 × 534.68
4. Step 4: Simplify right side
   1,401.56x = 1,123,052.57
5. Step 5: Solve for x
   x = 1,123,052.57/1,401.56
6. Step 6: Final answer
   x = 801.29