Finding the Fourth Proportional to 47,309.32, 65,225.94 and 38,779.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,309.32 : 65,225.94 = 38,779.72 : x
2. Step 2: Convert to fraction form
   47,309.32/65,225.94 = 38,779.72/x
3. Step 3: Cross multiply
   47,309.32x = 65,225.94 × 38,779.72
4. Step 4: Simplify right side
   47,309.32x = 2,529,443,689.94
5. Step 5: Solve for x
   x = 2,529,443,689.94/47,309.32
6. Step 6: Final answer
   x = 53,466.08