Finding the Fourth Proportional to 111,300.19, 153,564.38 and 63,544.03

Step by Step Solution

1. Step 1: Write the proportion equation
   111,300.19 : 153,564.38 = 63,544.03 : x
2. Step 2: Convert to fraction form
   111,300.19/153,564.38 = 63,544.03/x
3. Step 3: Cross multiply
   111,300.19x = 153,564.38 × 63,544.03
4. Step 4: Simplify right side
   111,300.19x = 9,758,099,251.93
5. Step 5: Solve for x
   x = 9,758,099,251.93/111,300.19
6. Step 6: Final answer
   x = 87,673.70