Finding the Fourth Proportional to 31,249, 43,137.84 and 19,934.02

Step by Step Solution

1. Step 1: Write the proportion equation
   31,249 : 43,137.84 = 19,934.02 : x
2. Step 2: Convert to fraction form
   31,249/43,137.84 = 19,934.02/x
3. Step 3: Cross multiply
   31,249x = 43,137.84 × 19,934.02
4. Step 4: Simplify right side
   31,249x = 859,910,565.32
5. Step 5: Solve for x
   x = 859,910,565.32/31,249
6. Step 6: Final answer
   x = 27,518.02