Finding the Fourth Proportional to 47,178.83, 65,036.35 and 31,235.60

Step by Step Solution

1. Step 1: Write the proportion equation
   47,178.83 : 65,036.35 = 31,235.60 : x
2. Step 2: Convert to fraction form
   47,178.83/65,036.35 = 31,235.60/x
3. Step 3: Cross multiply
   47,178.83x = 65,036.35 × 31,235.60
4. Step 4: Simplify right side
   47,178.83x = 2,031,449,498.56
5. Step 5: Solve for x
   x = 2,031,449,498.56/47,178.83
6. Step 6: Final answer
   x = 43,058.49