Finding the Fourth Proportional to 37,826.71, 52,200.42 and 20,830.60

Step by Step Solution

1. Step 1: Write the proportion equation
   37,826.71 : 52,200.42 = 20,830.60 : x
2. Step 2: Convert to fraction form
   37,826.71/52,200.42 = 20,830.60/x
3. Step 3: Cross multiply
   37,826.71x = 52,200.42 × 20,830.60
4. Step 4: Simplify right side
   37,826.71x = 1,087,366,068.85
5. Step 5: Solve for x
   x = 1,087,366,068.85/37,826.71
6. Step 6: Final answer
   x = 28,745.99