Finding the Fourth Proportional to 38,510.58, 53,138.61 and 21,743.22

Step by Step Solution

1. Step 1: Write the proportion equation
   38,510.58 : 53,138.61 = 21,743.22 : x
2. Step 2: Convert to fraction form
   38,510.58/53,138.61 = 21,743.22/x
3. Step 3: Cross multiply
   38,510.58x = 53,138.61 × 21,743.22
4. Step 4: Simplify right side
   38,510.58x = 1,155,404,487.72
5. Step 5: Solve for x
   x = 1,155,404,487.72/38,510.58
6. Step 6: Final answer
   x = 30,002.26