Finding the Fourth Proportional to 2,776,105.60, 4,164,227.52 and 781,548.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,776,105.60 : 4,164,227.52 = 781,548.16 : x
2. Step 2: Convert to fraction form
   2,776,105.60/4,164,227.52 = 781,548.16/x
3. Step 3: Cross multiply
   2,776,105.60x = 4,164,227.52 × 781,548.16
4. Step 4: Simplify right side
   2,776,105.60x = 3,254,544,356,077.36
5. Step 5: Solve for x
   x = 3,254,544,356,077.36/2,776,105.60
6. Step 6: Final answer
   x = 1,172,341.70