Finding the Fourth Proportional to 46,457.82, 64,131.42 and 31,370.92

Step by Step Solution

1. Step 1: Write the proportion equation
   46,457.82 : 64,131.42 = 31,370.92 : x
2. Step 2: Convert to fraction form
   46,457.82/64,131.42 = 31,370.92/x
3. Step 3: Cross multiply
   46,457.82x = 64,131.42 × 31,370.92
4. Step 4: Simplify right side
   46,457.82x = 2,011,861,646.31
5. Step 5: Solve for x
   x = 2,011,861,646.31/46,457.82
6. Step 6: Final answer
   x = 43,305.12