Finding the Fourth Proportional to 79,258.50, 109,376.73 and 45,724.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,258.50 : 109,376.73 = 45,724.50 : x
2. Step 2: Convert to fraction form
   79,258.50/109,376.73 = 45,724.50/x
3. Step 3: Cross multiply
   79,258.50x = 109,376.73 × 45,724.50
4. Step 4: Simplify right side
   79,258.50x = 5,001,196,290.89
5. Step 5: Solve for x
   x = 5,001,196,290.89/79,258.50
6. Step 6: Final answer
   x = 63,099.81