Finding the Fourth Proportional to 1,381,810.59, 1,906,848.27 and 769,931.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,381,810.59 : 1,906,848.27 = 769,931.73 : x
2. Step 2: Convert to fraction form
   1,381,810.59/1,906,848.27 = 769,931.73/x
3. Step 3: Cross multiply
   1,381,810.59x = 1,906,848.27 × 769,931.73
4. Step 4: Simplify right side
   1,381,810.59x = 1,468,142,987,368.61
5. Step 5: Solve for x
   x = 1,468,142,987,368.61/1,381,810.59
6. Step 6: Final answer
   x = 1,062,477.74