Finding the Fourth Proportional to 37,355.61, 51,551.34 and 20,588.61

Step by Step Solution

1. Step 1: Write the proportion equation
   37,355.61 : 51,551.34 = 20,588.61 : x
2. Step 2: Convert to fraction form
   37,355.61/51,551.34 = 20,588.61/x
3. Step 3: Cross multiply
   37,355.61x = 51,551.34 × 20,588.61
4. Step 4: Simplify right side
   37,355.61x = 1,061,370,434.24
5. Step 5: Solve for x
   x = 1,061,370,434.24/37,355.61
6. Step 6: Final answer
   x = 28,412.61