Finding the Fourth Proportional to 65,678.32, 90,636.18 and 37,384

Step by Step Solution

1. Step 1: Write the proportion equation
   65,678.32 : 90,636.18 = 37,384 : x
2. Step 2: Convert to fraction form
   65,678.32/90,636.18 = 37,384/x
3. Step 3: Cross multiply
   65,678.32x = 90,636.18 × 37,384
4. Step 4: Simplify right side
   65,678.32x = 3,388,342,953.12
5. Step 5: Solve for x
   x = 3,388,342,953.12/65,678.32
6. Step 6: Final answer
   x = 51,589.98