Finding the Fourth Proportional to 1,377.08, 1,900.34 and 747.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377.08 : 1,900.34 = 747.61 : x
2. Step 2: Convert to fraction form
   1,377.08/1,900.34 = 747.61/x
3. Step 3: Cross multiply
   1,377.08x = 1,900.34 × 747.61
4. Step 4: Simplify right side
   1,377.08x = 1,420,701.14
5. Step 5: Solve for x
   x = 1,420,701.14/1,377.08
6. Step 6: Final answer
   x = 1,031.68