Finding the Fourth Proportional to 108,385.67, 149,578.04 and 60,636.17

Step by Step Solution

1. Step 1: Write the proportion equation
   108,385.67 : 149,578.04 = 60,636.17 : x
2. Step 2: Convert to fraction form
   108,385.67/149,578.04 = 60,636.17/x
3. Step 3: Cross multiply
   108,385.67x = 149,578.04 × 60,636.17
4. Step 4: Simplify right side
   108,385.67x = 9,069,839,461.71
5. Step 5: Solve for x
   x = 9,069,839,461.71/108,385.67
6. Step 6: Final answer
   x = 83,681.17