Finding the Fourth Proportional to 80,670.22, 121,002.59 and 30,748.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,670.22 : 121,002.59 = 30,748.50 : x
2. Step 2: Convert to fraction form
   80,670.22/121,002.59 = 30,748.50/x
3. Step 3: Cross multiply
   80,670.22x = 121,002.59 × 30,748.50
4. Step 4: Simplify right side
   80,670.22x = 3,720,648,215.49
5. Step 5: Solve for x
   x = 3,720,648,215.49/80,670.22
6. Step 6: Final answer
   x = 46,121.71