Finding the Fourth Proportional to 111,498.51, 153,869.07 and 60,511.69

Step by Step Solution

1. Step 1: Write the proportion equation
   111,498.51 : 153,869.07 = 60,511.69 : x
2. Step 2: Convert to fraction form
   111,498.51/153,869.07 = 60,511.69/x
3. Step 3: Cross multiply
   111,498.51x = 153,869.07 × 60,511.69
4. Step 4: Simplify right side
   111,498.51x = 9,310,877,464.43
5. Step 5: Solve for x
   x = 9,310,877,464.43/111,498.51
6. Step 6: Final answer
   x = 83,506.74