Finding the Fourth Proportional to 59,721.09, 89,513.72 and 31,214.10

Step by Step Solution

1. Step 1: Write the proportion equation
   59,721.09 : 89,513.72 = 31,214.10 : x
2. Step 2: Convert to fraction form
   59,721.09/89,513.72 = 31,214.10/x
3. Step 3: Cross multiply
   59,721.09x = 89,513.72 × 31,214.10
4. Step 4: Simplify right side
   59,721.09x = 2,794,090,207.45
5. Step 5: Solve for x
   x = 2,794,090,207.45/59,721.09
6. Step 6: Final answer
   x = 46,785.65