Finding the Fourth Proportional to 109,443.61, 164,096.16 and 46,231.21

Step by Step Solution

1. Step 1: Write the proportion equation
   109,443.61 : 164,096.16 = 46,231.21 : x
2. Step 2: Convert to fraction form
   109,443.61/164,096.16 = 46,231.21/x
3. Step 3: Cross multiply
   109,443.61x = 164,096.16 × 46,231.21
4. Step 4: Simplify right side
   109,443.61x = 7,586,364,033.15
5. Step 5: Solve for x
   x = 7,586,364,033.15/109,443.61
6. Step 6: Final answer
   x = 69,317.56