Finding the Fourth Proportional to 111,300.53, 153,647.92 and 63,544.65

Step by Step Solution

1. Step 1: Write the proportion equation
   111,300.53 : 153,647.92 = 63,544.65 : x
2. Step 2: Convert to fraction form
   111,300.53/153,647.92 = 63,544.65/x
3. Step 3: Cross multiply
   111,300.53x = 153,647.92 × 63,544.65
4. Step 4: Simplify right side
   111,300.53x = 9,763,502,802.88
5. Step 5: Solve for x
   x = 9,763,502,802.88/111,300.53
6. Step 6: Final answer
   x = 87,721.98