Finding the Fourth Proportional to 1,112,401.79, 1,535,144.70 and 629,039.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112,401.79 : 1,535,144.70 = 629,039.25 : x
2. Step 2: Convert to fraction form
   1,112,401.79/1,535,144.70 = 629,039.25/x
3. Step 3: Cross multiply
   1,112,401.79x = 1,535,144.70 × 629,039.25
4. Step 4: Simplify right side
   1,112,401.79x = 965,666,273,088.37
5. Step 5: Solve for x
   x = 965,666,273,088.37/1,112,401.79
6. Step 6: Final answer
   x = 868,091.26