Finding the Fourth Proportional to 31,123.32, 42,953.81 and 17,696.58

Step by Step Solution

1. Step 1: Write the proportion equation
   31,123.32 : 42,953.81 = 17,696.58 : x
2. Step 2: Convert to fraction form
   31,123.32/42,953.81 = 17,696.58/x
3. Step 3: Cross multiply
   31,123.32x = 42,953.81 × 17,696.58
4. Step 4: Simplify right side
   31,123.32x = 760,135,534.97
5. Step 5: Solve for x
   x = 760,135,534.97/31,123.32
6. Step 6: Final answer
   x = 24,423.34