Finding the Fourth Proportional to 109,090.10, 150,479.06 and 66,574.82

Step by Step Solution

1. Step 1: Write the proportion equation
   109,090.10 : 150,479.06 = 66,574.82 : x
2. Step 2: Convert to fraction form
   109,090.10/150,479.06 = 66,574.82/x
3. Step 3: Cross multiply
   109,090.10x = 150,479.06 × 66,574.82
4. Step 4: Simplify right side
   109,090.10x = 10,018,116,333.27
5. Step 5: Solve for x
   x = 10,018,116,333.27/109,090.10
6. Step 6: Final answer
   x = 91,833.41