Finding the Fourth Proportional to 89,329.76, 123,192.78 and 60,692.29

Step by Step Solution

1. Step 1: Write the proportion equation
   89,329.76 : 123,192.78 = 60,692.29 : x
2. Step 2: Convert to fraction form
   89,329.76/123,192.78 = 60,692.29/x
3. Step 3: Cross multiply
   89,329.76x = 123,192.78 × 60,692.29
4. Step 4: Simplify right side
   89,329.76x = 7,476,851,929.67
5. Step 5: Solve for x
   x = 7,476,851,929.67/89,329.76
6. Step 6: Final answer
   x = 83,699.45