Finding the Fourth Proportional to 109,371, 150,997.59 and 71,710.86

Step by Step Solution

1. Step 1: Write the proportion equation
   109,371 : 150,997.59 = 71,710.86 : x
2. Step 2: Convert to fraction form
   109,371/150,997.59 = 71,710.86/x
3. Step 3: Cross multiply
   109,371x = 150,997.59 × 71,710.86
4. Step 4: Simplify right side
   109,371x = 10,828,167,036.83
5. Step 5: Solve for x
   x = 10,828,167,036.83/109,371
6. Step 6: Final answer
   x = 99,004.01