Finding the Fourth Proportional to 73,788.50, 110,682.86 and 31,641.37

Step by Step Solution

1. Step 1: Write the proportion equation
   73,788.50 : 110,682.86 = 31,641.37 : x
2. Step 2: Convert to fraction form
   73,788.50/110,682.86 = 31,641.37/x
3. Step 3: Cross multiply
   73,788.50x = 110,682.86 × 31,641.37
4. Step 4: Simplify right side
   73,788.50x = 3,502,156,891.00
5. Step 5: Solve for x
   x = 3,502,156,891.00/73,788.50
6. Step 6: Final answer
   x = 47,462.09