Finding the Fourth Proportional to 1,550,089.05, 2,139,001.76 and 861,719.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550,089.05 : 2,139,001.76 = 861,719.03 : x
2. Step 2: Convert to fraction form
   1,550,089.05/2,139,001.76 = 861,719.03/x
3. Step 3: Cross multiply
   1,550,089.05x = 2,139,001.76 × 861,719.03
4. Step 4: Simplify right side
   1,550,089.05x = 1,843,218,506,791.89
5. Step 5: Solve for x
   x = 1,843,218,506,791.89/1,550,089.05
6. Step 6: Final answer
   x = 1,189,104.91