Finding the Fourth Proportional to 73,016.88, 109,311.76 and 66,013

Step by Step Solution

1. Step 1: Write the proportion equation
   73,016.88 : 109,311.76 = 66,013 : x
2. Step 2: Convert to fraction form
   73,016.88/109,311.76 = 66,013/x
3. Step 3: Cross multiply
   73,016.88x = 109,311.76 × 66,013
4. Step 4: Simplify right side
   73,016.88x = 7,215,997,212.88
5. Step 5: Solve for x
   x = 7,215,997,212.88/73,016.88
6. Step 6: Final answer
   x = 98,826.42