Finding the Fourth Proportional to 61,298.57, 91,946.16 and 16,320.31

Step by Step Solution

1. Step 1: Write the proportion equation
   61,298.57 : 91,946.16 = 16,320.31 : x
2. Step 2: Convert to fraction form
   61,298.57/91,946.16 = 16,320.31/x
3. Step 3: Cross multiply
   61,298.57x = 91,946.16 × 16,320.31
4. Step 4: Simplify right side
   61,298.57x = 1,500,590,182.29
5. Step 5: Solve for x
   x = 1,500,590,182.29/61,298.57
6. Step 6: Final answer
   x = 24,480.02