Finding the Fourth Proportional to 38,466.92, 53,085.30 and 21,701

Step by Step Solution

1. Step 1: Write the proportion equation
   38,466.92 : 53,085.30 = 21,701 : x
2. Step 2: Convert to fraction form
   38,466.92/53,085.30 = 21,701/x
3. Step 3: Cross multiply
   38,466.92x = 53,085.30 × 21,701
4. Step 4: Simplify right side
   38,466.92x = 1,152,004,095.30
5. Step 5: Solve for x
   x = 1,152,004,095.30/38,466.92
6. Step 6: Final answer
   x = 29,947.92