Finding the Fourth Proportional to 111,495.07, 153,870.78 and 63,097.03

Step by Step Solution

1. Step 1: Write the proportion equation
   111,495.07 : 153,870.78 = 63,097.03 : x
2. Step 2: Convert to fraction form
   111,495.07/153,870.78 = 63,097.03/x
3. Step 3: Cross multiply
   111,495.07x = 153,870.78 × 63,097.03
4. Step 4: Simplify right side
   111,495.07x = 9,708,789,221.78
5. Step 5: Solve for x
   x = 9,708,789,221.78/111,495.07
6. Step 6: Final answer
   x = 87,078.19