Finding the Fourth Proportional to 31,320.09, 43,219.04 and 17,888.67

Step by Step Solution

1. Step 1: Write the proportion equation
   31,320.09 : 43,219.04 = 17,888.67 : x
2. Step 2: Convert to fraction form
   31,320.09/43,219.04 = 17,888.67/x
3. Step 3: Cross multiply
   31,320.09x = 43,219.04 × 17,888.67
4. Step 4: Simplify right side
   31,320.09x = 773,131,054.83
5. Step 5: Solve for x
   x = 773,131,054.83/31,320.09
6. Step 6: Final answer
   x = 24,684.83