Finding the Fourth Proportional to 37,908.30, 52,312.32 and 21,141.30

Step by Step Solution

1. Step 1: Write the proportion equation
   37,908.30 : 52,312.32 = 21,141.30 : x
2. Step 2: Convert to fraction form
   37,908.30/52,312.32 = 21,141.30/x
3. Step 3: Cross multiply
   37,908.30x = 52,312.32 × 21,141.30
4. Step 4: Simplify right side
   37,908.30x = 1,105,950,450.82
5. Step 5: Solve for x
   x = 1,105,950,450.82/37,908.30
6. Step 6: Final answer
   x = 29,174.36