Finding the Fourth Proportional to 49,404.30, 74,116.05 and 21,324.30

Step by Step Solution

1. Step 1: Write the proportion equation
   49,404.30 : 74,116.05 = 21,324.30 : x
2. Step 2: Convert to fraction form
   49,404.30/74,116.05 = 21,324.30/x
3. Step 3: Cross multiply
   49,404.30x = 74,116.05 × 21,324.30
4. Step 4: Simplify right side
   49,404.30x = 1,580,472,885.02
5. Step 5: Solve for x
   x = 1,580,472,885.02/49,404.30
6. Step 6: Final answer
   x = 31,990.59