Finding the Fourth Proportional to 2,640,076.56, 3,642,785.10 and 1,607,307.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640,076.56 : 3,642,785.10 = 1,607,307.12 : x
2. Step 2: Convert to fraction form
   2,640,076.56/3,642,785.10 = 1,607,307.12/x
3. Step 3: Cross multiply
   2,640,076.56x = 3,642,785.10 × 1,607,307.12
4. Step 4: Simplify right side
   2,640,076.56x = 5,855,074,427,859.91
5. Step 5: Solve for x
   x = 5,855,074,427,859.91/2,640,076.56
6. Step 6: Final answer
   x = 2,217,766.91