Finding the Fourth Proportional to 47,818.63, 65,950.42 and 42,445

Step by Step Solution

1. Step 1: Write the proportion equation
   47,818.63 : 65,950.42 = 42,445 : x
2. Step 2: Convert to fraction form
   47,818.63/65,950.42 = 42,445/x
3. Step 3: Cross multiply
   47,818.63x = 65,950.42 × 42,445
4. Step 4: Simplify right side
   47,818.63x = 2,799,265,576.90
5. Step 5: Solve for x
   x = 2,799,265,576.90/47,818.63
6. Step 6: Final answer
   x = 58,539.23