Finding the Fourth Proportional to 109,085.61, 150,532.63 and 61,336.11

Step by Step Solution

1. Step 1: Write the proportion equation
   109,085.61 : 150,532.63 = 61,336.11 : x
2. Step 2: Convert to fraction form
   109,085.61/150,532.63 = 61,336.11/x
3. Step 3: Cross multiply
   109,085.61x = 150,532.63 × 61,336.11
4. Step 4: Simplify right side
   109,085.61x = 9,233,085,952.27
5. Step 5: Solve for x
   x = 9,233,085,952.27/109,085.61
6. Step 6: Final answer
   x = 84,640.73