Finding the Fourth Proportional to 111,371.85, 153,691.29 and 62,973

Step by Step Solution

1. Step 1: Write the proportion equation
   111,371.85 : 153,691.29 = 62,973 : x
2. Step 2: Convert to fraction form
   111,371.85/153,691.29 = 62,973/x
3. Step 3: Cross multiply
   111,371.85x = 153,691.29 × 62,973
4. Step 4: Simplify right side
   111,371.85x = 9,678,401,605.17
5. Step 5: Solve for x
   x = 9,678,401,605.17/111,371.85
6. Step 6: Final answer
   x = 86,901.69