Finding the Fourth Proportional to 109,681.29, 164,532.74 and 45,626.29

Step by Step Solution

1. Step 1: Write the proportion equation
   109,681.29 : 164,532.74 = 45,626.29 : x
2. Step 2: Convert to fraction form
   109,681.29/164,532.74 = 45,626.29/x
3. Step 3: Cross multiply
   109,681.29x = 164,532.74 × 45,626.29
4. Step 4: Simplify right side
   109,681.29x = 7,507,017,870.27
5. Step 5: Solve for x
   x = 7,507,017,870.27/109,681.29
6. Step 6: Final answer
   x = 68,443.92