Finding the Fourth Proportional to 31,200.62, 43,051.87 and 17,772.13

Step by Step Solution

1. Step 1: Write the proportion equation
   31,200.62 : 43,051.87 = 17,772.13 : x
2. Step 2: Convert to fraction form
   31,200.62/43,051.87 = 17,772.13/x
3. Step 3: Cross multiply
   31,200.62x = 43,051.87 × 17,772.13
4. Step 4: Simplify right side
   31,200.62x = 765,123,430.38
5. Step 5: Solve for x
   x = 765,123,430.38/31,200.62
6. Step 6: Final answer
   x = 24,522.70