Finding the Fourth Proportional to 65,510.69, 90,404.30 and 37,216.38

Step by Step Solution

1. Step 1: Write the proportion equation
   65,510.69 : 90,404.30 = 37,216.38 : x
2. Step 2: Convert to fraction form
   65,510.69/90,404.30 = 37,216.38/x
3. Step 3: Cross multiply
   65,510.69x = 90,404.30 × 37,216.38
4. Step 4: Simplify right side
   65,510.69x = 3,364,520,875.47
5. Step 5: Solve for x
   x = 3,364,520,875.47/65,510.69
6. Step 6: Final answer
   x = 51,358.35