Finding the Fourth Proportional to 2,642,788.09, 3,646,950.10 and 1,435,538.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642,788.09 : 3,646,950.10 = 1,435,538.17 : x
2. Step 2: Convert to fraction form
   2,642,788.09/3,646,950.10 = 1,435,538.17/x
3. Step 3: Cross multiply
   2,642,788.09x = 3,646,950.10 × 1,435,538.17
4. Step 4: Simplify right side
   2,642,788.09x = 5,235,336,072,635.32
5. Step 5: Solve for x
   x = 5,235,336,072,635.32/2,642,788.09
6. Step 6: Final answer
   x = 1,980,989.73