Finding the Fourth Proportional to 39,066.18, 58,463.16 and 31,964.10

Step by Step Solution

1. Step 1: Write the proportion equation
   39,066.18 : 58,463.16 = 31,964.10 : x
2. Step 2: Convert to fraction form
   39,066.18/58,463.16 = 31,964.10/x
3. Step 3: Cross multiply
   39,066.18x = 58,463.16 × 31,964.10
4. Step 4: Simplify right side
   39,066.18x = 1,868,722,292.56
5. Step 5: Solve for x
   x = 1,868,722,292.56/39,066.18
6. Step 6: Final answer
   x = 47,834.78