Finding the Fourth Proportional to 10,921,867.10, 16,361,911.05 and 5,871,499.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,921,867.10 : 16,361,911.05 = 5,871,499.10 : x
2. Step 2: Convert to fraction form
   10,921,867.10/16,361,911.05 = 5,871,499.10/x
3. Step 3: Cross multiply
   10,921,867.10x = 16,361,911.05 × 5,871,499.10
4. Step 4: Simplify right side
   10,921,867.10x = 96,068,946,004,355.05
5. Step 5: Solve for x
   x = 96,068,946,004,355.05/10,921,867.10
6. Step 6: Final answer
   x = 8,796,018.59