Finding the Fourth Proportional to 31,437.42, 47,155.05 and 8,064.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,437.42 : 47,155.05 = 8,064.06 : x
2. Step 2: Convert to fraction form
   31,437.42/47,155.05 = 8,064.06/x
3. Step 3: Cross multiply
   31,437.42x = 47,155.05 × 8,064.06
4. Step 4: Simplify right side
   31,437.42x = 380,261,152.50
5. Step 5: Solve for x
   x = 380,261,152.50/31,437.42
6. Step 6: Final answer
   x = 12,095.81