Finding the Fourth Proportional to 42,418, 63,611 and 34,077.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,418 : 63,611 = 34,077.52 : x
2. Step 2: Convert to fraction form
   42,418/63,611 = 34,077.52/x
3. Step 3: Cross multiply
   42,418x = 63,611 × 34,077.52
4. Step 4: Simplify right side
   42,418x = 2,167,705,124.72
5. Step 5: Solve for x
   x = 2,167,705,124.72/42,418
6. Step 6: Final answer
   x = 51,103.43