Finding the Fourth Proportional to 2,056,257.12, 3,085,123.59 and 918,924.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056,257.12 : 3,085,123.59 = 918,924.06 : x
2. Step 2: Convert to fraction form
   2,056,257.12/3,085,123.59 = 918,924.06/x
3. Step 3: Cross multiply
   2,056,257.12x = 3,085,123.59 × 918,924.06
4. Step 4: Simplify right side
   2,056,257.12x = 2,834,994,294,924.58
5. Step 5: Solve for x
   x = 2,834,994,294,924.58/2,056,257.12
6. Step 6: Final answer
   x = 1,378,715.86