Finding the Fourth Proportional to 31,213.86, 43,073.91 and 17,066.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,213.86 : 43,073.91 = 17,066.94 : x
2. Step 2: Convert to fraction form
   31,213.86/43,073.91 = 17,066.94/x
3. Step 3: Cross multiply
   31,213.86x = 43,073.91 × 17,066.94
4. Step 4: Simplify right side
   31,213.86x = 735,139,837.54
5. Step 5: Solve for x
   x = 735,139,837.54/31,213.86
6. Step 6: Final answer
   x = 23,551.71