Finding the Fourth Proportional to 112,382.89, 168,573.72 and 45,822.76

Step by Step Solution

1. Step 1: Write the proportion equation
   112,382.89 : 168,573.72 = 45,822.76 : x
2. Step 2: Convert to fraction form
   112,382.89/168,573.72 = 45,822.76/x
3. Step 3: Cross multiply
   112,382.89x = 168,573.72 × 45,822.76
4. Step 4: Simplify right side
   112,382.89x = 7,724,513,113.87
5. Step 5: Solve for x
   x = 7,724,513,113.87/112,382.89
6. Step 6: Final answer
   x = 68,733.89