Finding the Fourth Proportional to 43,401.29, 64,995.77 and 39,194.05

Step by Step Solution

1. Step 1: Write the proportion equation
   43,401.29 : 64,995.77 = 39,194.05 : x
2. Step 2: Convert to fraction form
   43,401.29/64,995.77 = 39,194.05/x
3. Step 3: Cross multiply
   43,401.29x = 64,995.77 × 39,194.05
4. Step 4: Simplify right side
   43,401.29x = 2,547,447,557.15
5. Step 5: Solve for x
   x = 2,547,447,557.15/43,401.29
6. Step 6: Final answer
   x = 58,695.20