Finding the Fourth Proportional to 112,370.83, 155,076.27 and 64,624.17

Step by Step Solution

1. Step 1: Write the proportion equation
   112,370.83 : 155,076.27 = 64,624.17 : x
2. Step 2: Convert to fraction form
   112,370.83/155,076.27 = 64,624.17/x
3. Step 3: Cross multiply
   112,370.83x = 155,076.27 × 64,624.17
4. Step 4: Simplify right side
   112,370.83x = 10,021,675,235.45
5. Step 5: Solve for x
   x = 10,021,675,235.45/112,370.83
6. Step 6: Final answer
   x = 89,183.96