Finding the Fourth Proportional to 111,017.36, 153,200.82 and 60,715.28

Step by Step Solution

1. Step 1: Write the proportion equation
   111,017.36 : 153,200.82 = 60,715.28 : x
2. Step 2: Convert to fraction form
   111,017.36/153,200.82 = 60,715.28/x
3. Step 3: Cross multiply
   111,017.36x = 153,200.82 × 60,715.28
4. Step 4: Simplify right side
   111,017.36x = 9,301,630,682.53
5. Step 5: Solve for x
   x = 9,301,630,682.53/111,017.36
6. Step 6: Final answer
   x = 83,785.37