Finding the Fourth Proportional to 37,441.61, 51,665.18 and 21,531.18

Step by Step Solution

1. Step 1: Write the proportion equation
   37,441.61 : 51,665.18 = 21,531.18 : x
2. Step 2: Convert to fraction form
   37,441.61/51,665.18 = 21,531.18/x
3. Step 3: Cross multiply
   37,441.61x = 51,665.18 × 21,531.18
4. Step 4: Simplify right side
   37,441.61x = 1,112,412,376.40
5. Step 5: Solve for x
   x = 1,112,412,376.40/37,441.61
6. Step 6: Final answer
   x = 29,710.59