Finding the Fourth Proportional to 28,093.30, 42,152.22 and 16,406.56

Step by Step Solution

1. Step 1: Write the proportion equation
   28,093.30 : 42,152.22 = 16,406.56 : x
2. Step 2: Convert to fraction form
   28,093.30/42,152.22 = 16,406.56/x
3. Step 3: Cross multiply
   28,093.30x = 42,152.22 × 16,406.56
4. Step 4: Simplify right side
   28,093.30x = 691,572,926.56
5. Step 5: Solve for x
   x = 691,572,926.56/28,093.30
6. Step 6: Final answer
   x = 24,617.01