Finding the Fourth Proportional to 111,618.07, 154,036.42 and 63,886.79

Step by Step Solution

1. Step 1: Write the proportion equation
   111,618.07 : 154,036.42 = 63,886.79 : x
2. Step 2: Convert to fraction form
   111,618.07/154,036.42 = 63,886.79/x
3. Step 3: Cross multiply
   111,618.07x = 154,036.42 × 63,886.79
4. Step 4: Simplify right side
   111,618.07x = 9,840,892,642.27
5. Step 5: Solve for x
   x = 9,840,892,642.27/111,618.07
6. Step 6: Final answer
   x = 88,165.77