Finding the Fourth Proportional to 64,573.40, 89,111.22 and 35,892.17

Step by Step Solution

1. Step 1: Write the proportion equation
   64,573.40 : 89,111.22 = 35,892.17 : x
2. Step 2: Convert to fraction form
   64,573.40/89,111.22 = 35,892.17/x
3. Step 3: Cross multiply
   64,573.40x = 89,111.22 × 35,892.17
4. Step 4: Simplify right side
   64,573.40x = 3,198,395,395.52
5. Step 5: Solve for x
   x = 3,198,395,395.52/64,573.40
6. Step 6: Final answer
   x = 49,531.16