Finding the Fourth Proportional to 64,680.64, 89,226.62 and 37,805.59

Step by Step Solution

1. Step 1: Write the proportion equation
   64,680.64 : 89,226.62 = 37,805.59 : x
2. Step 2: Convert to fraction form
   64,680.64/89,226.62 = 37,805.59/x
3. Step 3: Cross multiply
   64,680.64x = 89,226.62 × 37,805.59
4. Step 4: Simplify right side
   64,680.64x = 3,373,264,377.64
5. Step 5: Solve for x
   x = 3,373,264,377.64/64,680.64
6. Step 6: Final answer
   x = 52,152.62