Finding the Fourth Proportional to 2,625,345.63, 3,937,107.62 and 919,451.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,625,345.63 : 3,937,107.62 = 919,451.31 : x
2. Step 2: Convert to fraction form
   2,625,345.63/3,937,107.62 = 919,451.31/x
3. Step 3: Cross multiply
   2,625,345.63x = 3,937,107.62 × 919,451.31
4. Step 4: Simplify right side
   2,625,345.63x = 3,619,978,754,222.73
5. Step 5: Solve for x
   x = 3,619,978,754,222.73/2,625,345.63
6. Step 6: Final answer
   x = 1,378,857.97