Finding the Fourth Proportional to 2,629,847.48, 3,945,165.72 and 923,690.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,629,847.48 : 3,945,165.72 = 923,690.07 : x
2. Step 2: Convert to fraction form
   2,629,847.48/3,945,165.72 = 923,690.07/x
3. Step 3: Cross multiply
   2,629,847.48x = 3,945,165.72 × 923,690.07
4. Step 4: Simplify right side
   2,629,847.48x = 3,644,110,400,068.40
5. Step 5: Solve for x
   x = 3,644,110,400,068.40/2,629,847.48
6. Step 6: Final answer
   x = 1,385,673.67