Finding the Fourth Proportional to 111,017.83, 153,205.82 and 60,715.75

Step by Step Solution

1. Step 1: Write the proportion equation
   111,017.83 : 153,205.82 = 60,715.75 : x
2. Step 2: Convert to fraction form
   111,017.83/153,205.82 = 60,715.75/x
3. Step 3: Cross multiply
   111,017.83x = 153,205.82 × 60,715.75
4. Step 4: Simplify right side
   111,017.83x = 9,302,006,265.67
5. Step 5: Solve for x
   x = 9,302,006,265.67/111,017.83
6. Step 6: Final answer
   x = 83,788.40