Finding the Fourth Proportional to 60,947,760.12, 91,435,188.66 and 28,582,412.73

Step by Step Solution

1. Step 1: Write the proportion equation
   60,947,760.12 : 91,435,188.66 = 28,582,412.73 : x
2. Step 2: Convert to fraction form
   60,947,760.12/91,435,188.66 = 28,582,412.73/x
3. Step 3: Cross multiply
   60,947,760.12x = 91,435,188.66 × 28,582,412.73
4. Step 4: Simplify right side
   60,947,760.12x = 2,613,438,300,325,535.50
5. Step 5: Solve for x
   x = 2,613,438,300,325,535.50/60,947,760.12
6. Step 6: Final answer
   x = 42,879,972.87