Finding the Fourth Proportional to 64,877.40, 89,530.53 and 35,069.40

Step by Step Solution

1. Step 1: Write the proportion equation
   64,877.40 : 89,530.53 = 35,069.40 : x
2. Step 2: Convert to fraction form
   64,877.40/89,530.53 = 35,069.40/x
3. Step 3: Cross multiply
   64,877.40x = 89,530.53 × 35,069.40
4. Step 4: Simplify right side
   64,877.40x = 3,139,781,968.78
5. Step 5: Solve for x
   x = 3,139,781,968.78/64,877.40
6. Step 6: Final answer
   x = 48,395.62