Finding the Fourth Proportional to 100,672.98, 150,915.15 and 34,066.47

Step by Step Solution

1. Step 1: Write the proportion equation
   100,672.98 : 150,915.15 = 34,066.47 : x
2. Step 2: Convert to fraction form
   100,672.98/150,915.15 = 34,066.47/x
3. Step 3: Cross multiply
   100,672.98x = 150,915.15 × 34,066.47
4. Step 4: Simplify right side
   100,672.98x = 5,141,146,995.95
5. Step 5: Solve for x
   x = 5,141,146,995.95/100,672.98
6. Step 6: Final answer
   x = 51,067.80