Finding the Fourth Proportional to 109,089.10, 150,477.68 and 66,573.82

Step by Step Solution

1. Step 1: Write the proportion equation
   109,089.10 : 150,477.68 = 66,573.82 : x
2. Step 2: Convert to fraction form
   109,089.10/150,477.68 = 66,573.82/x
3. Step 3: Cross multiply
   109,089.10x = 150,477.68 × 66,573.82
4. Step 4: Simplify right side
   109,089.10x = 10,017,873,982.34
5. Step 5: Solve for x
   x = 10,017,873,982.34/109,089.10
6. Step 6: Final answer
   x = 91,832.03