Finding the Fourth Proportional to 1,118,365.98, 1,543,388.74 and 634,976.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118,365.98 : 1,543,388.74 = 634,976.12 : x
2. Step 2: Convert to fraction form
   1,118,365.98/1,543,388.74 = 634,976.12/x
3. Step 3: Cross multiply
   1,118,365.98x = 1,543,388.74 × 634,976.12
4. Step 4: Simplify right side
   1,118,365.98x = 980,014,993,776.89
5. Step 5: Solve for x
   x = 980,014,993,776.89/1,118,365.98
6. Step 6: Final answer
   x = 876,291.85