Finding the Fourth Proportional to 47,063.11, 64,924.30 and 31,160.89

Step by Step Solution

1. Step 1: Write the proportion equation
   47,063.11 : 64,924.30 = 31,160.89 : x
2. Step 2: Convert to fraction form
   47,063.11/64,924.30 = 31,160.89/x
3. Step 3: Cross multiply
   47,063.11x = 64,924.30 × 31,160.89
4. Step 4: Simplify right side
   47,063.11x = 2,023,098,970.63
5. Step 5: Solve for x
   x = 2,023,098,970.63/47,063.11
6. Step 6: Final answer
   x = 42,986.94