Finding the Fourth Proportional to 80,826,875.36, 121,155,629.52 and 37,660,479.20

Step by Step Solution

1. Step 1: Write the proportion equation
   80,826,875.36 : 121,155,629.52 = 37,660,479.20 : x
2. Step 2: Convert to fraction form
   80,826,875.36/121,155,629.52 = 37,660,479.20/x
3. Step 3: Cross multiply
   80,826,875.36x = 121,155,629.52 × 37,660,479.20
4. Step 4: Simplify right side
   80,826,875.36x = 4,562,779,065,500,866
5. Step 5: Solve for x
   x = 4,562,779,065,500,866/80,826,875.36
6. Step 6: Final answer
   x = 56,451,261.36