Finding the Fourth Proportional to 35,498.43, 48,986.10 and 21,348.54

Step by Step Solution

1. Step 1: Write the proportion equation
   35,498.43 : 48,986.10 = 21,348.54 : x
2. Step 2: Convert to fraction form
   35,498.43/48,986.10 = 21,348.54/x
3. Step 3: Cross multiply
   35,498.43x = 48,986.10 × 21,348.54
4. Step 4: Simplify right side
   35,498.43x = 1,045,781,715.29
5. Step 5: Solve for x
   x = 1,045,781,715.29/35,498.43
6. Step 6: Final answer
   x = 29,459.94