Finding the Fourth Proportional to 10,921,866.10, 16,361,909.55 and 5,871,498.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,921,866.10 : 16,361,909.55 = 5,871,498.10 : x
2. Step 2: Convert to fraction form
   10,921,866.10/16,361,909.55 = 5,871,498.10/x
3. Step 3: Cross multiply
   10,921,866.10x = 16,361,909.55 × 5,871,498.10
4. Step 4: Simplify right side
   10,921,866.10x = 96,068,920,835,196.86
5. Step 5: Solve for x
   x = 96,068,920,835,196.86/10,921,866.10
6. Step 6: Final answer
   x = 8,796,017.09