Finding the Fourth Proportional to 73,518.72, 110,258.64 and 31,956

Step by Step Solution

1. Step 1: Write the proportion equation
   73,518.72 : 110,258.64 = 31,956 : x
2. Step 2: Convert to fraction form
   73,518.72/110,258.64 = 31,956/x
3. Step 3: Cross multiply
   73,518.72x = 110,258.64 × 31,956
4. Step 4: Simplify right side
   73,518.72x = 3,523,425,099.84
5. Step 5: Solve for x
   x = 3,523,425,099.84/73,518.72
6. Step 6: Final answer
   x = 47,925.55