Finding the Fourth Proportional to 47,345.15, 65,308.76 and 30,343.35

Step by Step Solution

1. Step 1: Write the proportion equation
   47,345.15 : 65,308.76 = 30,343.35 : x
2. Step 2: Convert to fraction form
   47,345.15/65,308.76 = 30,343.35/x
3. Step 3: Cross multiply
   47,345.15x = 65,308.76 × 30,343.35
4. Step 4: Simplify right side
   47,345.15x = 1,981,686,562.75
5. Step 5: Solve for x
   x = 1,981,686,562.75/47,345.15
6. Step 6: Final answer
   x = 41,856.17