Finding the Fourth Proportional to 72,827.70, 109,238.82 and 30,132

Step by Step Solution

1. Step 1: Write the proportion equation
   72,827.70 : 109,238.82 = 30,132 : x
2. Step 2: Convert to fraction form
   72,827.70/109,238.82 = 30,132/x
3. Step 3: Cross multiply
   72,827.70x = 109,238.82 × 30,132
4. Step 4: Simplify right side
   72,827.70x = 3,291,584,124.24
5. Step 5: Solve for x
   x = 3,291,584,124.24/72,827.70
6. Step 6: Final answer
   x = 45,196.87