Finding the Fourth Proportional to 73,291.86, 109,938.06 and 31,165.92

Step by Step Solution

1. Step 1: Write the proportion equation
   73,291.86 : 109,938.06 = 31,165.92 : x
2. Step 2: Convert to fraction form
   73,291.86/109,938.06 = 31,165.92/x
3. Step 3: Cross multiply
   73,291.86x = 109,938.06 × 31,165.92
4. Step 4: Simplify right side
   73,291.86x = 3,426,320,782.92
5. Step 5: Solve for x
   x = 3,426,320,782.92/73,291.86
6. Step 6: Final answer
   x = 46,748.99