Finding the Fourth Proportional to 72,807.76, 109,238.34 and 30,698.44

Step by Step Solution

1. Step 1: Write the proportion equation
   72,807.76 : 109,238.34 = 30,698.44 : x
2. Step 2: Convert to fraction form
   72,807.76/109,238.34 = 30,698.44/x
3. Step 3: Cross multiply
   72,807.76x = 109,238.34 × 30,698.44
4. Step 4: Simplify right side
   72,807.76x = 3,353,446,626.19
5. Step 5: Solve for x
   x = 3,353,446,626.19/72,807.76
6. Step 6: Final answer
   x = 46,058.92