Finding the Fourth Proportional to 64,775.89, 89,390.91 and 37,557.25

Step by Step Solution

1. Step 1: Write the proportion equation
   64,775.89 : 89,390.91 = 37,557.25 : x
2. Step 2: Convert to fraction form
   64,775.89/89,390.91 = 37,557.25/x
3. Step 3: Cross multiply
   64,775.89x = 89,390.91 × 37,557.25
4. Step 4: Simplify right side
   64,775.89x = 3,357,276,754.60
5. Step 5: Solve for x
   x = 3,357,276,754.60/64,775.89
6. Step 6: Final answer
   x = 51,829.11