Finding the Fourth Proportional to 38,185.02, 52,705.35 and 21,423.42

Step by Step Solution

1. Step 1: Write the proportion equation
   38,185.02 : 52,705.35 = 21,423.42 : x
2. Step 2: Convert to fraction form
   38,185.02/52,705.35 = 21,423.42/x
3. Step 3: Cross multiply
   38,185.02x = 52,705.35 × 21,423.42
4. Step 4: Simplify right side
   38,185.02x = 1,129,128,849.30
5. Step 5: Solve for x
   x = 1,129,128,849.30/38,185.02
6. Step 6: Final answer
   x = 29,569.94