Finding the Fourth Proportional to 64,670.28, 89,231.59 and 37,807.58

Step by Step Solution

1. Step 1: Write the proportion equation
   64,670.28 : 89,231.59 = 37,807.58 : x
2. Step 2: Convert to fraction form
   64,670.28/89,231.59 = 37,807.58/x
3. Step 3: Cross multiply
   64,670.28x = 89,231.59 × 37,807.58
4. Step 4: Simplify right side
   64,670.28x = 3,373,630,477.45
5. Step 5: Solve for x
   x = 3,373,630,477.45/64,670.28
6. Step 6: Final answer
   x = 52,166.63