Finding the Fourth Proportional to 46,454.72, 64,127.12 and 31,367.79

Step by Step Solution

1. Step 1: Write the proportion equation
   46,454.72 : 64,127.12 = 31,367.79 : x
2. Step 2: Convert to fraction form
   46,454.72/64,127.12 = 31,367.79/x
3. Step 3: Cross multiply
   46,454.72x = 64,127.12 × 31,367.79
4. Step 4: Simplify right side
   46,454.72x = 2,011,525,876.63
5. Step 5: Solve for x
   x = 2,011,525,876.63/46,454.72
6. Step 6: Final answer
   x = 43,300.79