Finding the Fourth Proportional to 64,659.31, 89,216.47 and 37,796.62

Step by Step Solution

1. Step 1: Write the proportion equation
   64,659.31 : 89,216.47 = 37,796.62 : x
2. Step 2: Convert to fraction form
   64,659.31/89,216.47 = 37,796.62/x
3. Step 3: Cross multiply
   64,659.31x = 89,216.47 × 37,796.62
4. Step 4: Simplify right side
   64,659.31x = 3,372,080,696.80
5. Step 5: Solve for x
   x = 3,372,080,696.80/64,659.31
6. Step 6: Final answer
   x = 52,151.51