Finding the Fourth Proportional to 2,213,687.28, 3,320,531.82 and 1,708,985.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,213,687.28 : 3,320,531.82 = 1,708,985.10 : x
2. Step 2: Convert to fraction form
   2,213,687.28/3,320,531.82 = 1,708,985.10/x
3. Step 3: Cross multiply
   2,213,687.28x = 3,320,531.82 × 1,708,985.10
4. Step 4: Simplify right side
   2,213,687.28x = 5,674,739,404,455.88
5. Step 5: Solve for x
   x = 5,674,739,404,455.88/2,213,687.28
6. Step 6: Final answer
   x = 2,563,478.34