Finding the Fourth Proportional to 1,374.96, 2,063.34 and 1,263.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.96 : 2,063.34 = 1,263.72 : x
2. Step 2: Convert to fraction form
   1,374.96/2,063.34 = 1,263.72/x
3. Step 3: Cross multiply
   1,374.96x = 2,063.34 × 1,263.72
4. Step 4: Simplify right side
   1,374.96x = 2,607,484.02
5. Step 5: Solve for x
   x = 2,607,484.02/1,374.96
6. Step 6: Final answer
   x = 1,896.41