Finding the Fourth Proportional to 2,078,766.72, 2,867,117.34 and 1,788,866.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078,766.72 : 2,867,117.34 = 1,788,866.91 : x
2. Step 2: Convert to fraction form
   2,078,766.72/2,867,117.34 = 1,788,866.91/x
3. Step 3: Cross multiply
   2,078,766.72x = 2,867,117.34 × 1,788,866.91
4. Step 4: Simplify right side
   2,078,766.72x = 5,128,891,343,321.47
5. Step 5: Solve for x
   x = 5,128,891,343,321.47/2,078,766.72
6. Step 6: Final answer
   x = 2,467,276.05