Finding the Fourth Proportional to 37,780.74, 52,136.33 and 20,784.98

Step by Step Solution

1. Step 1: Write the proportion equation
   37,780.74 : 52,136.33 = 20,784.98 : x
2. Step 2: Convert to fraction form
   37,780.74/52,136.33 = 20,784.98/x
3. Step 3: Cross multiply
   37,780.74x = 52,136.33 × 20,784.98
4. Step 4: Simplify right side
   37,780.74x = 1,083,652,211.72
5. Step 5: Solve for x
   x = 1,083,652,211.72/37,780.74
6. Step 6: Final answer
   x = 28,682.66