Finding the Fourth Proportional to 64,775.40, 89,390.22 and 37,556.76

Step by Step Solution

1. Step 1: Write the proportion equation
   64,775.40 : 89,390.22 = 37,556.76 : x
2. Step 2: Convert to fraction form
   64,775.40/89,390.22 = 37,556.76/x
3. Step 3: Cross multiply
   64,775.40x = 89,390.22 × 37,556.76
4. Step 4: Simplify right side
   64,775.40x = 3,357,207,038.89
5. Step 5: Solve for x
   x = 3,357,207,038.89/64,775.40
6. Step 6: Final answer
   x = 51,828.43