Finding the Fourth Proportional to 46,440.05, 64,106.89 and 31,353.15

Step by Step Solution

1. Step 1: Write the proportion equation
   46,440.05 : 64,106.89 = 31,353.15 : x
2. Step 2: Convert to fraction form
   46,440.05/64,106.89 = 31,353.15/x
3. Step 3: Cross multiply
   46,440.05x = 64,106.89 × 31,353.15
4. Step 4: Simplify right side
   46,440.05x = 2,009,952,619.42
5. Step 5: Solve for x
   x = 2,009,952,619.42/46,440.05
6. Step 6: Final answer
   x = 43,280.59