Finding the Fourth Proportional to 64,897.32, 89,557.86 and 35,089.32

Step by Step Solution

1. Step 1: Write the proportion equation
   64,897.32 : 89,557.86 = 35,089.32 : x
2. Step 2: Convert to fraction form
   64,897.32/89,557.86 = 35,089.32/x
3. Step 3: Cross multiply
   64,897.32x = 89,557.86 × 35,089.32
4. Step 4: Simplify right side
   64,897.32x = 3,142,524,408.06
5. Step 5: Solve for x
   x = 3,142,524,408.06/64,897.32
6. Step 6: Final answer
   x = 48,423.02