Finding the Fourth Proportional to 2,056,259.12, 3,085,126.60 and 918,926.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056,259.12 : 3,085,126.60 = 918,926.06 : x
2. Step 2: Convert to fraction form
   2,056,259.12/3,085,126.60 = 918,926.06/x
3. Step 3: Cross multiply
   2,056,259.12x = 3,085,126.60 × 918,926.06
4. Step 4: Simplify right side
   2,056,259.12x = 2,835,003,231,139.20
5. Step 5: Solve for x
   x = 2,835,003,231,139.20/2,056,259.12
6. Step 6: Final answer
   x = 1,378,718.86