Finding the Fourth Proportional to 2,287,178, 3,156,320.40 and 1,268,585.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287,178 : 3,156,320.40 = 1,268,585.36 : x
2. Step 2: Convert to fraction form
   2,287,178/3,156,320.40 = 1,268,585.36/x
3. Step 3: Cross multiply
   2,287,178x = 3,156,320.40 × 1,268,585.36
4. Step 4: Simplify right side
   2,287,178x = 4,004,061,850,909.34
5. Step 5: Solve for x
   x = 4,004,061,850,909.34/2,287,178
6. Step 6: Final answer
   x = 1,750,655.98