Finding the Fourth Proportional to 65,909.82, 90,939.84 and 37,230.06

Step by Step Solution

1. Step 1: Write the proportion equation
   65,909.82 : 90,939.84 = 37,230.06 : x
2. Step 2: Convert to fraction form
   65,909.82/90,939.84 = 37,230.06/x
3. Step 3: Cross multiply
   65,909.82x = 90,939.84 × 37,230.06
4. Step 4: Simplify right side
   65,909.82x = 3,385,695,699.59
5. Step 5: Solve for x
   x = 3,385,695,699.59/65,909.82
6. Step 6: Final answer
   x = 51,368.61