Finding the Fourth Proportional to 64,542.72, 89,069.58 and 37,316.76

Step by Step Solution

1. Step 1: Write the proportion equation
   64,542.72 : 89,069.58 = 37,316.76 : x
2. Step 2: Convert to fraction form
   64,542.72/89,069.58 = 37,316.76/x
3. Step 3: Cross multiply
   64,542.72x = 89,069.58 × 37,316.76
4. Step 4: Simplify right side
   64,542.72x = 3,323,788,140.16
5. Step 5: Solve for x
   x = 3,323,788,140.16/64,542.72
6. Step 6: Final answer
   x = 51,497.49