Finding the Fourth Proportional to 109,687.49, 151,369.74 and 64,366.23

Step by Step Solution

1. Step 1: Write the proportion equation
   109,687.49 : 151,369.74 = 64,366.23 : x
2. Step 2: Convert to fraction form
   109,687.49/151,369.74 = 64,366.23/x
3. Step 3: Cross multiply
   109,687.49x = 151,369.74 × 64,366.23
4. Step 4: Simplify right side
   109,687.49x = 9,743,099,499.88
5. Step 5: Solve for x
   x = 9,743,099,499.88/109,687.49
6. Step 6: Final answer
   x = 88,825.99