Finding the Fourth Proportional to 109,407.43, 164,138.82 and 30,521.62

Step by Step Solution

1. Step 1: Write the proportion equation
   109,407.43 : 164,138.82 = 30,521.62 : x
2. Step 2: Convert to fraction form
   109,407.43/164,138.82 = 30,521.62/x
3. Step 3: Cross multiply
   109,407.43x = 164,138.82 × 30,521.62
4. Step 4: Simplify right side
   109,407.43x = 5,009,782,691.29
5. Step 5: Solve for x
   x = 5,009,782,691.29/109,407.43
6. Step 6: Final answer
   x = 45,790.15