Finding the Fourth Proportional to 111,642.84, 154,068.86 and 60,656.58

Step by Step Solution

1. Step 1: Write the proportion equation
   111,642.84 : 154,068.86 = 60,656.58 : x
2. Step 2: Convert to fraction form
   111,642.84/154,068.86 = 60,656.58/x
3. Step 3: Cross multiply
   111,642.84x = 154,068.86 × 60,656.58
4. Step 4: Simplify right side
   111,642.84x = 9,345,289,828.82
5. Step 5: Solve for x
   x = 9,345,289,828.82/111,642.84
6. Step 6: Final answer
   x = 83,707.02