Finding the Fourth Proportional to 2,276,788.86, 3,141,844.92 and 1,258,128

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276,788.86 : 3,141,844.92 = 1,258,128 : x
2. Step 2: Convert to fraction form
   2,276,788.86/3,141,844.92 = 1,258,128/x
3. Step 3: Cross multiply
   2,276,788.86x = 3,141,844.92 × 1,258,128
4. Step 4: Simplify right side
   2,276,788.86x = 3,952,843,065,509.76
5. Step 5: Solve for x
   x = 3,952,843,065,509.76/2,276,788.86
6. Step 6: Final answer
   x = 1,736,148.28