Finding the Fourth Proportional to 38,948.52, 53,748.98 and 21,043.52

Step by Step Solution

1. Step 1: Write the proportion equation
   38,948.52 : 53,748.98 = 21,043.52 : x
2. Step 2: Convert to fraction form
   38,948.52/53,748.98 = 21,043.52/x
3. Step 3: Cross multiply
   38,948.52x = 53,748.98 × 21,043.52
4. Step 4: Simplify right side
   38,948.52x = 1,131,067,735.61
5. Step 5: Solve for x
   x = 1,131,067,735.61/38,948.52
6. Step 6: Final answer
   x = 29,040.07