Finding the Fourth Proportional to 2,105,506.90, 3,155,307.90 and 1,851,596.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,506.90 : 3,155,307.90 = 1,851,596.20 : x
2. Step 2: Convert to fraction form
   2,105,506.90/3,155,307.90 = 1,851,596.20/x
3. Step 3: Cross multiply
   2,105,506.90x = 3,155,307.90 × 1,851,596.20
4. Step 4: Simplify right side
   2,105,506.90x = 5,842,356,117,469.98
5. Step 5: Solve for x
   x = 5,842,356,117,469.98/2,105,506.90
6. Step 6: Final answer
   x = 2,774,797.90