Finding the Fourth Proportional to 112,648.41, 155,454.03 and 64,900.73

Step by Step Solution

1. Step 1: Write the proportion equation
   112,648.41 : 155,454.03 = 64,900.73 : x
2. Step 2: Convert to fraction form
   112,648.41/155,454.03 = 64,900.73/x
3. Step 3: Cross multiply
   112,648.41x = 155,454.03 × 64,900.73
4. Step 4: Simplify right side
   112,648.41x = 10,089,079,251.17
5. Step 5: Solve for x
   x = 10,089,079,251.17/112,648.41
6. Step 6: Final answer
   x = 89,562.55