Finding the Fourth Proportional to 61,003.82, 91,495.32 and 16,620.17

Step by Step Solution

1. Step 1: Write the proportion equation
   61,003.82 : 91,495.32 = 16,620.17 : x
2. Step 2: Convert to fraction form
   61,003.82/91,495.32 = 16,620.17/x
3. Step 3: Cross multiply
   61,003.82x = 91,495.32 × 16,620.17
4. Step 4: Simplify right side
   61,003.82x = 1,520,667,315.13
5. Step 5: Solve for x
   x = 1,520,667,315.13/61,003.82
6. Step 6: Final answer
   x = 24,927.41