Finding the Fourth Proportional to 111,150.63, 153,387.87 and 60,849.63

Step by Step Solution

1. Step 1: Write the proportion equation
   111,150.63 : 153,387.87 = 60,849.63 : x
2. Step 2: Convert to fraction form
   111,150.63/153,387.87 = 60,849.63/x
3. Step 3: Cross multiply
   111,150.63x = 153,387.87 × 60,849.63
4. Step 4: Simplify right side
   111,150.63x = 9,333,595,135.99
5. Step 5: Solve for x
   x = 9,333,595,135.99/111,150.63
6. Step 6: Final answer
   x = 83,972.49