Finding the Fourth Proportional to 112,376.16, 155,083.82 and 64,629.56

Step by Step Solution

1. Step 1: Write the proportion equation
   112,376.16 : 155,083.82 = 64,629.56 : x
2. Step 2: Convert to fraction form
   112,376.16/155,083.82 = 64,629.56/x
3. Step 3: Cross multiply
   112,376.16x = 155,083.82 × 64,629.56
4. Step 4: Simplify right side
   112,376.16x = 10,022,998,435.87
5. Step 5: Solve for x
   x = 10,022,998,435.87/112,376.16
6. Step 6: Final answer
   x = 89,191.50