Finding the Fourth Proportional to 37,760.58, 52,123.77 and 28,356.30

Step by Step Solution

1. Step 1: Write the proportion equation
   37,760.58 : 52,123.77 = 28,356.30 : x
2. Step 2: Convert to fraction form
   37,760.58/52,123.77 = 28,356.30/x
3. Step 3: Cross multiply
   37,760.58x = 52,123.77 × 28,356.30
4. Step 4: Simplify right side
   37,760.58x = 1,478,037,259.25
5. Step 5: Solve for x
   x = 1,478,037,259.25/37,760.58
6. Step 6: Final answer
   x = 39,142.33