Finding the Fourth Proportional to 65,672.88, 90,630.72 and 37,378.08

Step by Step Solution

1. Step 1: Write the proportion equation
   65,672.88 : 90,630.72 = 37,378.08 : x
2. Step 2: Convert to fraction form
   65,672.88/90,630.72 = 37,378.08/x
3. Step 3: Cross multiply
   65,672.88x = 90,630.72 × 37,378.08
4. Step 4: Simplify right side
   65,672.88x = 3,387,602,302.62
5. Step 5: Solve for x
   x = 3,387,602,302.62/65,672.88
6. Step 6: Final answer
   x = 51,582.97