Finding the Fourth Proportional to 111,423.93, 153,775.52 and 63,667.99

Step by Step Solution

1. Step 1: Write the proportion equation
   111,423.93 : 153,775.52 = 63,667.99 : x
2. Step 2: Convert to fraction form
   111,423.93/153,775.52 = 63,667.99/x
3. Step 3: Cross multiply
   111,423.93x = 153,775.52 × 63,667.99
4. Step 4: Simplify right side
   111,423.93x = 9,790,578,269.60
5. Step 5: Solve for x
   x = 9,790,578,269.60/111,423.93
6. Step 6: Final answer
   x = 87,867.82