Finding the Fourth Proportional to 2,187,520.06, 3,018,326.88 and 1,257,047.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187,520.06 : 3,018,326.88 = 1,257,047.86 : x
2. Step 2: Convert to fraction form
   2,187,520.06/3,018,326.88 = 1,257,047.86/x
3. Step 3: Cross multiply
   2,187,520.06x = 3,018,326.88 × 1,257,047.86
4. Step 4: Simplify right side
   2,187,520.06x = 3,794,181,345,284.48
5. Step 5: Solve for x
   x = 3,794,181,345,284.48/2,187,520.06
6. Step 6: Final answer
   x = 1,734,467.00