Finding the Fourth Proportional to 111,636.94, 154,061.40 and 61,335.94

Step by Step Solution

1. Step 1: Write the proportion equation
   111,636.94 : 154,061.40 = 61,335.94 : x
2. Step 2: Convert to fraction form
   111,636.94/154,061.40 = 61,335.94/x
3. Step 3: Cross multiply
   111,636.94x = 154,061.40 × 61,335.94
4. Step 4: Simplify right side
   111,636.94x = 9,449,500,631.57
5. Step 5: Solve for x
   x = 9,449,500,631.57/111,636.94
6. Step 6: Final answer
   x = 84,644.93