Finding the Fourth Proportional to 2,607,458.10, 3,906,521.55 and 2,131,566.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607,458.10 : 3,906,521.55 = 2,131,566.90 : x
2. Step 2: Convert to fraction form
   2,607,458.10/3,906,521.55 = 2,131,566.90/x
3. Step 3: Cross multiply
   2,607,458.10x = 3,906,521.55 × 2,131,566.90
4. Step 4: Simplify right side
   2,607,458.10x = 8,327,012,030,116.69
5. Step 5: Solve for x
   x = 8,327,012,030,116.69/2,607,458.10
6. Step 6: Final answer
   x = 3,193,536.28