Finding the Fourth Proportional to 68,200.62, 102,300.72 and 30,716.82

Step by Step Solution

1. Step 1: Write the proportion equation
   68,200.62 : 102,300.72 = 30,716.82 : x
2. Step 2: Convert to fraction form
   68,200.62/102,300.72 = 30,716.82/x
3. Step 3: Cross multiply
   68,200.62x = 102,300.72 × 30,716.82
4. Step 4: Simplify right side
   68,200.62x = 3,142,352,802.11
5. Step 5: Solve for x
   x = 3,142,352,802.11/68,200.62
6. Step 6: Final answer
   x = 46,075.14