Finding the Fourth Proportional to 1,479,105.60, 2,041,112.70 and 928,118.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479,105.60 : 2,041,112.70 = 928,118.10 : x
2. Step 2: Convert to fraction form
   1,479,105.60/2,041,112.70 = 928,118.10/x
3. Step 3: Cross multiply
   1,479,105.60x = 2,041,112.70 × 928,118.10
4. Step 4: Simplify right side
   1,479,105.60x = 1,894,393,641,009.87
5. Step 5: Solve for x
   x = 1,894,393,641,009.87/1,479,105.60
6. Step 6: Final answer
   x = 1,280,769.70