Finding the Fourth Proportional to 1,139,081.94, 1,711,280.52 and 666,100.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,081.94 : 1,711,280.52 = 666,100.26 : x
2. Step 2: Convert to fraction form
   1,139,081.94/1,711,280.52 = 666,100.26/x
3. Step 3: Cross multiply
   1,139,081.94x = 1,711,280.52 × 666,100.26
4. Step 4: Simplify right side
   1,139,081.94x = 1,139,884,399,304.94
5. Step 5: Solve for x
   x = 1,139,884,399,304.94/1,139,081.94
6. Step 6: Final answer
   x = 1,000,704.48