Finding the Fourth Proportional to 1,550,117.50, 2,139,362.61 and 871,054.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550,117.50 : 2,139,362.61 = 871,054.06 : x
2. Step 2: Convert to fraction form
   1,550,117.50/2,139,362.61 = 871,054.06/x
3. Step 3: Cross multiply
   1,550,117.50x = 2,139,362.61 × 871,054.06
4. Step 4: Simplify right side
   1,550,117.50x = 1,863,500,487,252.70
5. Step 5: Solve for x
   x = 1,863,500,487,252.70/1,550,117.50
6. Step 6: Final answer
   x = 1,202,167.25