Finding the Fourth Proportional to 112,374.57, 155,081.62 and 64,627.95

Step by Step Solution

1. Step 1: Write the proportion equation
   112,374.57 : 155,081.62 = 64,627.95 : x
2. Step 2: Convert to fraction form
   112,374.57/155,081.62 = 64,627.95/x
3. Step 3: Cross multiply
   112,374.57x = 155,081.62 × 64,627.95
4. Step 4: Simplify right side
   112,374.57x = 10,022,607,183.28
5. Step 5: Solve for x
   x = 10,022,607,183.28/112,374.57
6. Step 6: Final answer
   x = 89,189.28