Finding the Fourth Proportional to 47,106.72, 64,980.24 and 29,412

Step by Step Solution

1. Step 1: Write the proportion equation
   47,106.72 : 64,980.24 = 29,412 : x
2. Step 2: Convert to fraction form
   47,106.72/64,980.24 = 29,412/x
3. Step 3: Cross multiply
   47,106.72x = 64,980.24 × 29,412
4. Step 4: Simplify right side
   47,106.72x = 1,911,198,818.88
5. Step 5: Solve for x
   x = 1,911,198,818.88/47,106.72
6. Step 6: Final answer
   x = 40,571.68