Finding the Fourth Proportional to 64,680.69, 89,248.76 and 37,447.07

Step by Step Solution

1. Step 1: Write the proportion equation
   64,680.69 : 89,248.76 = 37,447.07 : x
2. Step 2: Convert to fraction form
   64,680.69/89,248.76 = 37,447.07/x
3. Step 3: Cross multiply
   64,680.69x = 89,248.76 × 37,447.07
4. Step 4: Simplify right side
   64,680.69x = 3,342,104,426.41
5. Step 5: Solve for x
   x = 3,342,104,426.41/64,680.69
6. Step 6: Final answer
   x = 51,670.83