Finding the Fourth Proportional to 38,123.33, 52,610.49 and 21,127.86

Step by Step Solution

1. Step 1: Write the proportion equation
   38,123.33 : 52,610.49 = 21,127.86 : x
2. Step 2: Convert to fraction form
   38,123.33/52,610.49 = 21,127.86/x
3. Step 3: Cross multiply
   38,123.33x = 52,610.49 × 21,127.86
4. Step 4: Simplify right side
   38,123.33x = 1,111,547,067.25
5. Step 5: Solve for x
   x = 1,111,547,067.25/38,123.33
6. Step 6: Final answer
   x = 29,156.61