Finding the Fourth Proportional to 42,419.50, 63,613.25 and 34,079.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,419.50 : 63,613.25 = 34,079.02 : x
2. Step 2: Convert to fraction form
   42,419.50/63,613.25 = 34,079.02/x
3. Step 3: Cross multiply
   42,419.50x = 63,613.25 × 34,079.02
4. Step 4: Simplify right side
   42,419.50x = 2,167,877,219.02
5. Step 5: Solve for x
   x = 2,167,877,219.02/42,419.50
6. Step 6: Final answer
   x = 51,105.68