Finding the Fourth Proportional to 2,056,427.36, 3,085,271.60 and 920,145.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056,427.36 : 3,085,271.60 = 920,145.98 : x
2. Step 2: Convert to fraction form
   2,056,427.36/3,085,271.60 = 920,145.98/x
3. Step 3: Cross multiply
   2,056,427.36x = 3,085,271.60 × 920,145.98
4. Step 4: Simplify right side
   2,056,427.36x = 2,838,900,259,948.17
5. Step 5: Solve for x
   x = 2,838,900,259,948.17/2,056,427.36
6. Step 6: Final answer
   x = 1,380,501.11