Finding the Fourth Proportional to 2,139,340.82, 2,952,313.52 and 1,172,450.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,340.82 : 2,952,313.52 = 1,172,450.30 : x
2. Step 2: Convert to fraction form
   2,139,340.82/2,952,313.52 = 1,172,450.30/x
3. Step 3: Cross multiply
   2,139,340.82x = 2,952,313.52 × 1,172,450.30
4. Step 4: Simplify right side
   2,139,340.82x = 3,461,440,851,594.24
5. Step 5: Solve for x
   x = 3,461,440,851,594.24/2,139,340.82
6. Step 6: Final answer
   x = 1,617,994.12