Finding the Fourth Proportional to 37,948.50, 52,369.74 and 21,181.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,948.50 : 52,369.74 = 21,181.50 : x
2. Step 2: Convert to fraction form
   37,948.50/52,369.74 = 21,181.50/x
3. Step 3: Cross multiply
   37,948.50x = 52,369.74 × 21,181.50
4. Step 4: Simplify right side
   37,948.50x = 1,109,269,647.81
5. Step 5: Solve for x
   x = 1,109,269,647.81/37,948.50
6. Step 6: Final answer
   x = 29,230.92