Finding the Fourth Proportional to 47,345.91, 65,279.30 and 38,360.31

Step by Step Solution

1. Step 1: Write the proportion equation
   47,345.91 : 65,279.30 = 38,360.31 : x
2. Step 2: Convert to fraction form
   47,345.91/65,279.30 = 38,360.31/x
3. Step 3: Cross multiply
   47,345.91x = 65,279.30 × 38,360.31
4. Step 4: Simplify right side
   47,345.91x = 2,504,133,992.78
5. Step 5: Solve for x
   x = 2,504,133,992.78/47,345.91
6. Step 6: Final answer
   x = 52,890.19