Finding the Fourth Proportional to 1,104,390.83, 1,524,061.91 and 620,960.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104,390.83 : 1,524,061.91 = 620,960.15 : x
2. Step 2: Convert to fraction form
   1,104,390.83/1,524,061.91 = 620,960.15/x
3. Step 3: Cross multiply
   1,104,390.83x = 1,524,061.91 × 620,960.15
4. Step 4: Simplify right side
   1,104,390.83x = 946,381,712,242.89
5. Step 5: Solve for x
   x = 946,381,712,242.89/1,104,390.83
6. Step 6: Final answer
   x = 856,926.45