Finding the Fourth Proportional to 1,448,049.30, 2,172,851.55 and 606,686.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,448,049.30 : 2,172,851.55 = 606,686.10 : x
2. Step 2: Convert to fraction form
   1,448,049.30/2,172,851.55 = 606,686.10/x
3. Step 3: Cross multiply
   1,448,049.30x = 2,172,851.55 × 606,686.10
4. Step 4: Simplify right side
   1,448,049.30x = 1,318,238,832,748.45
5. Step 5: Solve for x
   x = 1,318,238,832,748.45/1,448,049.30
6. Step 6: Final answer
   x = 910,354.94