Finding the Fourth Proportional to 31,409.33, 43,330.43 and 19,298.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,409.33 : 43,330.43 = 19,298.82 : x
2. Step 2: Convert to fraction form
   31,409.33/43,330.43 = 19,298.82/x
3. Step 3: Cross multiply
   31,409.33x = 43,330.43 × 19,298.82
4. Step 4: Simplify right side
   31,409.33x = 836,226,072.60
5. Step 5: Solve for x
   x = 836,226,072.60/31,409.33
6. Step 6: Final answer
   x = 26,623.49