Finding the Fourth Proportional to 1,250,105.64, 1,725,144.15 and 677,148.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,250,105.64 : 1,725,144.15 = 677,148.09 : x
2. Step 2: Convert to fraction form
   1,250,105.64/1,725,144.15 = 677,148.09/x
3. Step 3: Cross multiply
   1,250,105.64x = 1,725,144.15 × 677,148.09
4. Step 4: Simplify right side
   1,250,105.64x = 1,168,178,066,147.17
5. Step 5: Solve for x
   x = 1,168,178,066,147.17/1,250,105.64
6. Step 6: Final answer
   x = 934,463.48