Finding the Fourth Proportional to 61,087.06, 91,640.52 and 21,635.62

Step by Step Solution

1. Step 1: Write the proportion equation
   61,087.06 : 91,640.52 = 21,635.62 : x
2. Step 2: Convert to fraction form
   61,087.06/91,640.52 = 21,635.62/x
3. Step 3: Cross multiply
   61,087.06x = 91,640.52 × 21,635.62
4. Step 4: Simplify right side
   61,087.06x = 1,982,699,467.32
5. Step 5: Solve for x
   x = 1,982,699,467.32/61,087.06
6. Step 6: Final answer
   x = 32,456.95