Finding the Fourth Proportional to 89,575.97, 123,551.61 and 60,878.79

Step by Step Solution

1. Step 1: Write the proportion equation
   89,575.97 : 123,551.61 = 60,878.79 : x
2. Step 2: Convert to fraction form
   89,575.97/123,551.61 = 60,878.79/x
3. Step 3: Cross multiply
   89,575.97x = 123,551.61 × 60,878.79
4. Step 4: Simplify right side
   89,575.97x = 7,521,671,901.59
5. Step 5: Solve for x
   x = 7,521,671,901.59/89,575.97
6. Step 6: Final answer
   x = 83,969.75