Finding the Fourth Proportional to 47,003.90, 64,868.24 and 31,060.67

Step by Step Solution

1. Step 1: Write the proportion equation
   47,003.90 : 64,868.24 = 31,060.67 : x
2. Step 2: Convert to fraction form
   47,003.90/64,868.24 = 31,060.67/x
3. Step 3: Cross multiply
   47,003.90x = 64,868.24 × 31,060.67
4. Step 4: Simplify right side
   47,003.90x = 2,014,850,749.43
5. Step 5: Solve for x
   x = 2,014,850,749.43/47,003.90
6. Step 6: Final answer
   x = 42,865.61