Finding the Fourth Proportional to 31,314.72, 46,905.84 and 21,407.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,314.72 : 46,905.84 = 21,407.52 : x
2. Step 2: Convert to fraction form
   31,314.72/46,905.84 = 21,407.52/x
3. Step 3: Cross multiply
   31,314.72x = 46,905.84 × 21,407.52
4. Step 4: Simplify right side
   31,314.72x = 1,004,137,707.92
5. Step 5: Solve for x
   x = 1,004,137,707.92/31,314.72
6. Step 6: Final answer
   x = 32,066.00