Finding the Fourth Proportional to 73,521.42, 110,234.72 and 31,428.96

Step by Step Solution

1. Step 1: Write the proportion equation
   73,521.42 : 110,234.72 = 31,428.96 : x
2. Step 2: Convert to fraction form
   73,521.42/110,234.72 = 31,428.96/x
3. Step 3: Cross multiply
   73,521.42x = 110,234.72 × 31,428.96
4. Step 4: Simplify right side
   73,521.42x = 3,464,562,605.49
5. Step 5: Solve for x
   x = 3,464,562,605.49/73,521.42
6. Step 6: Final answer
   x = 47,123.17