Finding the Fourth Proportional to 31,300.87, 43,195.77 and 17,153.62

Step by Step Solution

1. Step 1: Write the proportion equation
   31,300.87 : 43,195.77 = 17,153.62 : x
2. Step 2: Convert to fraction form
   31,300.87/43,195.77 = 17,153.62/x
3. Step 3: Cross multiply
   31,300.87x = 43,195.77 × 17,153.62
4. Step 4: Simplify right side
   31,300.87x = 740,963,824.19
5. Step 5: Solve for x
   x = 740,963,824.19/31,300.87
6. Step 6: Final answer
   x = 23,672.31