Finding the Fourth Proportional to 111,945.74, 154,476.59 and 63,541.98

Step by Step Solution

1. Step 1: Write the proportion equation
   111,945.74 : 154,476.59 = 63,541.98 : x
2. Step 2: Convert to fraction form
   111,945.74/154,476.59 = 63,541.98/x
3. Step 3: Cross multiply
   111,945.74x = 154,476.59 × 63,541.98
4. Step 4: Simplify right side
   111,945.74x = 9,815,748,074.54
5. Step 5: Solve for x
   x = 9,815,748,074.54/111,945.74
6. Step 6: Final answer
   x = 87,683.09