Finding the Fourth Proportional to 64,869.42, 89,519.76 and 35,061.42

Step by Step Solution

1. Step 1: Write the proportion equation
   64,869.42 : 89,519.76 = 35,061.42 : x
2. Step 2: Convert to fraction form
   64,869.42/89,519.76 = 35,061.42/x
3. Step 3: Cross multiply
   64,869.42x = 89,519.76 × 35,061.42
4. Step 4: Simplify right side
   64,869.42x = 3,138,689,903.66
5. Step 5: Solve for x
   x = 3,138,689,903.66/64,869.42
6. Step 6: Final answer
   x = 48,384.74