Finding the Fourth Proportional to 1,132,379.55, 1,562,655.06 and 616,111.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132,379.55 : 1,562,655.06 = 616,111.47 : x
2. Step 2: Convert to fraction form
   1,132,379.55/1,562,655.06 = 616,111.47/x
3. Step 3: Cross multiply
   1,132,379.55x = 1,562,655.06 × 616,111.47
4. Step 4: Simplify right side
   1,132,379.55x = 962,769,706,119.54
5. Step 5: Solve for x
   x = 962,769,706,119.54/1,132,379.55
6. Step 6: Final answer
   x = 850,218.20