Finding the Fourth Proportional to 64,573.77, 89,111.21 and 35,892.69

Step by Step Solution

1. Step 1: Write the proportion equation
   64,573.77 : 89,111.21 = 35,892.69 : x
2. Step 2: Convert to fraction form
   64,573.77/89,111.21 = 35,892.69/x
3. Step 3: Cross multiply
   64,573.77x = 89,111.21 × 35,892.69
4. Step 4: Simplify right side
   64,573.77x = 3,198,440,522.42
5. Step 5: Solve for x
   x = 3,198,440,522.42/64,573.77
6. Step 6: Final answer
   x = 49,531.57