Finding the Fourth Proportional to 39,093.29, 53,948.52 and 21,188.10

Step by Step Solution

1. Step 1: Write the proportion equation
   39,093.29 : 53,948.52 = 21,188.10 : x
2. Step 2: Convert to fraction form
   39,093.29/53,948.52 = 21,188.10/x
3. Step 3: Cross multiply
   39,093.29x = 53,948.52 × 21,188.10
4. Step 4: Simplify right side
   39,093.29x = 1,143,066,636.61
5. Step 5: Solve for x
   x = 1,143,066,636.61/39,093.29
6. Step 6: Final answer
   x = 29,239.46