Finding the Fourth Proportional to 46,395.72, 64,005.30 and 31,283.46

Step by Step Solution

1. Step 1: Write the proportion equation
   46,395.72 : 64,005.30 = 31,283.46 : x
2. Step 2: Convert to fraction form
   46,395.72/64,005.30 = 31,283.46/x
3. Step 3: Cross multiply
   46,395.72x = 64,005.30 × 31,283.46
4. Step 4: Simplify right side
   46,395.72x = 2,002,307,242.34
5. Step 5: Solve for x
   x = 2,002,307,242.34/46,395.72
6. Step 6: Final answer
   x = 43,157.15