Finding the Fourth Proportional to 1,376.35, 1,897.15 and 1,077.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,376.35 : 1,897.15 = 1,077.07 : x
2. Step 2: Convert to fraction form
   1,376.35/1,897.15 = 1,077.07/x
3. Step 3: Cross multiply
   1,376.35x = 1,897.15 × 1,077.07
4. Step 4: Simplify right side
   1,376.35x = 2,043,363.35
5. Step 5: Solve for x
   x = 2,043,363.35/1,376.35
6. Step 6: Final answer
   x = 1,484.62