Finding the Fourth Proportional to 111,498.60, 153,920.42 and 74,767.33

Step by Step Solution

1. Step 1: Write the proportion equation
   111,498.60 : 153,920.42 = 74,767.33 : x
2. Step 2: Convert to fraction form
   111,498.60/153,920.42 = 74,767.33/x
3. Step 3: Cross multiply
   111,498.60x = 153,920.42 × 74,767.33
4. Step 4: Simplify right side
   111,498.60x = 11,508,218,835.88
5. Step 5: Solve for x
   x = 11,508,218,835.88/111,498.60
6. Step 6: Final answer
   x = 103,214.02