Finding the Fourth Proportional to 46,422.50, 64,115.81 and 31,289.07

Step by Step Solution

1. Step 1: Write the proportion equation
   46,422.50 : 64,115.81 = 31,289.07 : x
2. Step 2: Convert to fraction form
   46,422.50/64,115.81 = 31,289.07/x
3. Step 3: Cross multiply
   46,422.50x = 64,115.81 × 31,289.07
4. Step 4: Simplify right side
   46,422.50x = 2,006,123,910.75
5. Step 5: Solve for x
   x = 2,006,123,910.75/46,422.50
6. Step 6: Final answer
   x = 43,214.48