Finding the Fourth Proportional to 65,363.56, 90,198.42 and 37,071.88

Step by Step Solution

1. Step 1: Write the proportion equation
   65,363.56 : 90,198.42 = 37,071.88 : x
2. Step 2: Convert to fraction form
   65,363.56/90,198.42 = 37,071.88/x
3. Step 3: Cross multiply
   65,363.56x = 90,198.42 × 37,071.88
4. Step 4: Simplify right side
   65,363.56x = 3,343,825,002.43
5. Step 5: Solve for x
   x = 3,343,825,002.43/65,363.56
6. Step 6: Final answer
   x = 51,157.33