Finding the Fourth Proportional to 21,837.50, 32,748.18 and 7,793.77

Step by Step Solution

1. Step 1: Write the proportion equation
   21,837.50 : 32,748.18 = 7,793.77 : x
2. Step 2: Convert to fraction form
   21,837.50/32,748.18 = 7,793.77/x
3. Step 3: Cross multiply
   21,837.50x = 32,748.18 × 7,793.77
4. Step 4: Simplify right side
   21,837.50x = 255,231,619.10
5. Step 5: Solve for x
   x = 255,231,619.10/21,837.50
6. Step 6: Final answer
   x = 11,687.77