Finding the Fourth Proportional to 38,469.08, 53,085.28 and 21,701

Step by Step Solution

1. Step 1: Write the proportion equation
   38,469.08 : 53,085.28 = 21,701 : x
2. Step 2: Convert to fraction form
   38,469.08/53,085.28 = 21,701/x
3. Step 3: Cross multiply
   38,469.08x = 53,085.28 × 21,701
4. Step 4: Simplify right side
   38,469.08x = 1,152,003,661.28
5. Step 5: Solve for x
   x = 1,152,003,661.28/38,469.08
6. Step 6: Final answer
   x = 29,946.22