Finding the Fourth Proportional to 1,077,382.59, 1,612,081.98 and 863,501.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077,382.59 : 1,612,081.98 = 863,501.81 : x
2. Step 2: Convert to fraction form
   1,077,382.59/1,612,081.98 = 863,501.81/x
3. Step 3: Cross multiply
   1,077,382.59x = 1,612,081.98 × 863,501.81
4. Step 4: Simplify right side
   1,077,382.59x = 1,392,035,705,583.28
5. Step 5: Solve for x
   x = 1,392,035,705,583.28/1,077,382.59
6. Step 6: Final answer
   x = 1,292,053.27