Finding the Fourth Proportional to 109,406.28, 164,118.60 and 30,521.46

Step by Step Solution

1. Step 1: Write the proportion equation
   109,406.28 : 164,118.60 = 30,521.46 : x
2. Step 2: Convert to fraction form
   109,406.28/164,118.60 = 30,521.46/x
3. Step 3: Cross multiply
   109,406.28x = 164,118.60 × 30,521.46
4. Step 4: Simplify right side
   109,406.28x = 5,009,139,285.16
5. Step 5: Solve for x
   x = 5,009,139,285.16/109,406.28
6. Step 6: Final answer
   x = 45,784.75