Finding the Fourth Proportional to 64,877.42, 89,530.80 and 35,069.42

Step by Step Solution

1. Step 1: Write the proportion equation
   64,877.42 : 89,530.80 = 35,069.42 : x
2. Step 2: Convert to fraction form
   64,877.42/89,530.80 = 35,069.42/x
3. Step 3: Cross multiply
   64,877.42x = 89,530.80 × 35,069.42
4. Step 4: Simplify right side
   64,877.42x = 3,139,793,228.14
5. Step 5: Solve for x
   x = 3,139,793,228.14/64,877.42
6. Step 6: Final answer
   x = 48,395.78