Finding the Fourth Proportional to 66,041.91, 91,142.37 and 37,361.61

Step by Step Solution

1. Step 1: Write the proportion equation
   66,041.91 : 91,142.37 = 37,361.61 : x
2. Step 2: Convert to fraction form
   66,041.91/91,142.37 = 37,361.61/x
3. Step 3: Cross multiply
   66,041.91x = 91,142.37 × 37,361.61
4. Step 4: Simplify right side
   66,041.91x = 3,405,225,682.42
5. Step 5: Solve for x
   x = 3,405,225,682.42/66,041.91
6. Step 6: Final answer
   x = 51,561.59