Finding the Fourth Proportional to 1,113,105.31, 1,536,085.82 and 629,660.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,113,105.31 : 1,536,085.82 = 629,660.18 : x
2. Step 2: Convert to fraction form
   1,113,105.31/1,536,085.82 = 629,660.18/x
3. Step 3: Cross multiply
   1,113,105.31x = 1,536,085.82 × 629,660.18
4. Step 4: Simplify right side
   1,113,105.31x = 967,212,079,331.01
5. Step 5: Solve for x
   x = 967,212,079,331.01/1,113,105.31
6. Step 6: Final answer
   x = 868,931.33