Finding the Fourth Proportional to 30,525.81, 42,168.06 and 23,029.86

Step by Step Solution

1. Step 1: Write the proportion equation
   30,525.81 : 42,168.06 = 23,029.86 : x
2. Step 2: Convert to fraction form
   30,525.81/42,168.06 = 23,029.86/x
3. Step 3: Cross multiply
   30,525.81x = 42,168.06 × 23,029.86
4. Step 4: Simplify right side
   30,525.81x = 971,124,518.27
5. Step 5: Solve for x
   x = 971,124,518.27/30,525.81
6. Step 6: Final answer
   x = 31,813.23