Finding the Fourth Proportional to 30,814.81, 42,524.43 and 17,385.94

Step by Step Solution

1. Step 1: Write the proportion equation
   30,814.81 : 42,524.43 = 17,385.94 : x
2. Step 2: Convert to fraction form
   30,814.81/42,524.43 = 17,385.94/x
3. Step 3: Cross multiply
   30,814.81x = 42,524.43 × 17,385.94
4. Step 4: Simplify right side
   30,814.81x = 739,327,188.51
5. Step 5: Solve for x
   x = 739,327,188.51/30,814.81
6. Step 6: Final answer
   x = 23,992.59