Finding the Fourth Proportional to 37,766.50, 52,117.86 and 21,002.74

Step by Step Solution

1. Step 1: Write the proportion equation
   37,766.50 : 52,117.86 = 21,002.74 : x
2. Step 2: Convert to fraction form
   37,766.50/52,117.86 = 21,002.74/x
3. Step 3: Cross multiply
   37,766.50x = 52,117.86 × 21,002.74
4. Step 4: Simplify right side
   37,766.50x = 1,094,617,862.94
5. Step 5: Solve for x
   x = 1,094,617,862.94/37,766.50
6. Step 6: Final answer
   x = 28,983.83