Finding the Fourth Proportional to 111,339.34, 153,644.71 and 62,943.12

Step by Step Solution

1. Step 1: Write the proportion equation
   111,339.34 : 153,644.71 = 62,943.12 : x
2. Step 2: Convert to fraction form
   111,339.34/153,644.71 = 62,943.12/x
3. Step 3: Cross multiply
   111,339.34x = 153,644.71 × 62,943.12
4. Step 4: Simplify right side
   111,339.34x = 9,670,877,418.90
5. Step 5: Solve for x
   x = 9,670,877,418.90/111,339.34
6. Step 6: Final answer
   x = 86,859.48