Finding the Fourth Proportional to 47,551.58, 65,689.53 and 37,978.90

Step by Step Solution

1. Step 1: Write the proportion equation
   47,551.58 : 65,689.53 = 37,978.90 : x
2. Step 2: Convert to fraction form
   47,551.58/65,689.53 = 37,978.90/x
3. Step 3: Cross multiply
   47,551.58x = 65,689.53 × 37,978.90
4. Step 4: Simplify right side
   47,551.58x = 2,494,815,572.57
5. Step 5: Solve for x
   x = 2,494,815,572.57/47,551.58
6. Step 6: Final answer
   x = 52,465.47