Finding the Fourth Proportional to 37,400.94, 51,614.82 and 21,490.38

Step by Step Solution

1. Step 1: Write the proportion equation
   37,400.94 : 51,614.82 = 21,490.38 : x
2. Step 2: Convert to fraction form
   37,400.94/51,614.82 = 21,490.38/x
3. Step 3: Cross multiply
   37,400.94x = 51,614.82 × 21,490.38
4. Step 4: Simplify right side
   37,400.94x = 1,109,222,095.43
5. Step 5: Solve for x
   x = 1,109,222,095.43/37,400.94
6. Step 6: Final answer
   x = 29,657.60