Finding the Fourth Proportional to 38,518.02, 53,155.89 and 21,751.02

Step by Step Solution

1. Step 1: Write the proportion equation
   38,518.02 : 53,155.89 = 21,751.02 : x
2. Step 2: Convert to fraction form
   38,518.02/53,155.89 = 21,751.02/x
3. Step 3: Cross multiply
   38,518.02x = 53,155.89 × 21,751.02
4. Step 4: Simplify right side
   38,518.02x = 1,156,194,826.51
5. Step 5: Solve for x
   x = 1,156,194,826.51/38,518.02
6. Step 6: Final answer
   x = 30,016.98