Finding the Fourth Proportional to 111,338.34, 153,643.33 and 62,942.12

Step by Step Solution

1. Step 1: Write the proportion equation
   111,338.34 : 153,643.33 = 62,942.12 : x
2. Step 2: Convert to fraction form
   111,338.34/153,643.33 = 62,942.12/x
3. Step 3: Cross multiply
   111,338.34x = 153,643.33 × 62,942.12
4. Step 4: Simplify right side
   111,338.34x = 9,670,636,914.06
5. Step 5: Solve for x
   x = 9,670,636,914.06/111,338.34
6. Step 6: Final answer
   x = 86,858.10