Finding the Fourth Proportional to 1,376,872.18, 1,900,077.42 and 765,124.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,376,872.18 : 1,900,077.42 = 765,124.54 : x
2. Step 2: Convert to fraction form
   1,376,872.18/1,900,077.42 = 765,124.54/x
3. Step 3: Cross multiply
   1,376,872.18x = 1,900,077.42 × 765,124.54
4. Step 4: Simplify right side
   1,376,872.18x = 1,453,795,861,941.89
5. Step 5: Solve for x
   x = 1,453,795,861,941.89/1,376,872.18
6. Step 6: Final answer
   x = 1,055,868.43