Finding the Fourth Proportional to 111,007, 153,189.78 and 60,706.12

Step by Step Solution

1. Step 1: Write the proportion equation
   111,007 : 153,189.78 = 60,706.12 : x
2. Step 2: Convert to fraction form
   111,007/153,189.78 = 60,706.12/x
3. Step 3: Cross multiply
   111,007x = 153,189.78 × 60,706.12
4. Step 4: Simplify right side
   111,007x = 9,299,557,167.45
5. Step 5: Solve for x
   x = 9,299,557,167.45/111,007
6. Step 6: Final answer
   x = 83,774.51