Finding the Fourth Proportional to 72,915.82, 109,373.74 and 17,511.82

Step by Step Solution

1. Step 1: Write the proportion equation
   72,915.82 : 109,373.74 = 17,511.82 : x
2. Step 2: Convert to fraction form
   72,915.82/109,373.74 = 17,511.82/x
3. Step 3: Cross multiply
   72,915.82x = 109,373.74 × 17,511.82
4. Step 4: Simplify right side
   72,915.82x = 1,915,333,336.51
5. Step 5: Solve for x
   x = 1,915,333,336.51/72,915.82
6. Step 6: Final answer
   x = 26,267.73