Finding the Fourth Proportional to 47,290.24, 65,293.86 and 31,407.76

Step by Step Solution

1. Step 1: Write the proportion equation
   47,290.24 : 65,293.86 = 31,407.76 : x
2. Step 2: Convert to fraction form
   47,290.24/65,293.86 = 31,407.76/x
3. Step 3: Cross multiply
   47,290.24x = 65,293.86 × 31,407.76
4. Step 4: Simplify right side
   47,290.24x = 2,050,733,884.35
5. Step 5: Solve for x
   x = 2,050,733,884.35/47,290.24
6. Step 6: Final answer
   x = 43,364.84