Finding the Fourth Proportional to 109,185.24, 150,663.42 and 61,455

Step by Step Solution

1. Step 1: Write the proportion equation
   109,185.24 : 150,663.42 = 61,455 : x
2. Step 2: Convert to fraction form
   109,185.24/150,663.42 = 61,455/x
3. Step 3: Cross multiply
   109,185.24x = 150,663.42 × 61,455
4. Step 4: Simplify right side
   109,185.24x = 9,259,020,476.10
5. Step 5: Solve for x
   x = 9,259,020,476.10/109,185.24
6. Step 6: Final answer
   x = 84,801.03