Finding the Fourth Proportional to 64,513.12, 89,030.88 and 35,835.52

Step by Step Solution

1. Step 1: Write the proportion equation
   64,513.12 : 89,030.88 = 35,835.52 : x
2. Step 2: Convert to fraction form
   64,513.12/89,030.88 = 35,835.52/x
3. Step 3: Cross multiply
   64,513.12x = 89,030.88 × 35,835.52
4. Step 4: Simplify right side
   64,513.12x = 3,190,467,880.86
5. Step 5: Solve for x
   x = 3,190,467,880.86/64,513.12
6. Step 6: Final answer
   x = 49,454.56