Finding the Fourth Proportional to 2,107,152.22, 3,160,407.55 and 687,206.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107,152.22 : 3,160,407.55 = 687,206.02 : x
2. Step 2: Convert to fraction form
   2,107,152.22/3,160,407.55 = 687,206.02/x
3. Step 3: Cross multiply
   2,107,152.22x = 3,160,407.55 × 687,206.02
4. Step 4: Simplify right side
   2,107,152.22x = 2,171,851,094,013.45
5. Step 5: Solve for x
   x = 2,171,851,094,013.45/2,107,152.22
6. Step 6: Final answer
   x = 1,030,704.41