Finding the Fourth Proportional to 53,741.68, 80,626.29 and 37,978

Step by Step Solution

1. Step 1: Write the proportion equation
   53,741.68 : 80,626.29 = 37,978 : x
2. Step 2: Convert to fraction form
   53,741.68/80,626.29 = 37,978/x
3. Step 3: Cross multiply
   53,741.68x = 80,626.29 × 37,978
4. Step 4: Simplify right side
   53,741.68x = 3,062,025,241.62
5. Step 5: Solve for x
   x = 3,062,025,241.62/53,741.68
6. Step 6: Final answer
   x = 56,976.73