Finding the Fourth Proportional to 2,147,718.52, 3,220,733.57 and 781,167.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,718.52 : 3,220,733.57 = 781,167.82 : x
2. Step 2: Convert to fraction form
   2,147,718.52/3,220,733.57 = 781,167.82/x
3. Step 3: Cross multiply
   2,147,718.52x = 3,220,733.57 × 781,167.82
4. Step 4: Simplify right side
   2,147,718.52x = 2,515,933,427,014.27
5. Step 5: Solve for x
   x = 2,515,933,427,014.27/2,147,718.52
6. Step 6: Final answer
   x = 1,171,444.68