Finding the Fourth Proportional to 37,870.38, 52,261.07 and 21,103.38

Step by Step Solution

1. Step 1: Write the proportion equation
   37,870.38 : 52,261.07 = 21,103.38 : x
2. Step 2: Convert to fraction form
   37,870.38/52,261.07 = 21,103.38/x
3. Step 3: Cross multiply
   37,870.38x = 52,261.07 × 21,103.38
4. Step 4: Simplify right side
   37,870.38x = 1,102,885,113.90
5. Step 5: Solve for x
   x = 1,102,885,113.90/37,870.38
6. Step 6: Final answer
   x = 29,122.63