Finding the Fourth Proportional to 10,931,413.70, 16,407,034.95 and 5,543,812.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,931,413.70 : 16,407,034.95 = 5,543,812.10 : x
2. Step 2: Convert to fraction form
   10,931,413.70/16,407,034.95 = 5,543,812.10/x
3. Step 3: Cross multiply
   10,931,413.70x = 16,407,034.95 × 5,543,812.10
4. Step 4: Simplify right side
   10,931,413.70x = 90,957,518,880,932.89
5. Step 5: Solve for x
   x = 90,957,518,880,932.89/10,931,413.70
6. Step 6: Final answer
   x = 8,320,746.19