Finding the Fourth Proportional to 72,886.16, 109,333.16 and 22,970.12

Step by Step Solution

1. Step 1: Write the proportion equation
   72,886.16 : 109,333.16 = 22,970.12 : x
2. Step 2: Convert to fraction form
   72,886.16/109,333.16 = 22,970.12/x
3. Step 3: Cross multiply
   72,886.16x = 109,333.16 × 22,970.12
4. Step 4: Simplify right side
   72,886.16x = 2,511,395,805.18
5. Step 5: Solve for x
   x = 2,511,395,805.18/72,886.16
6. Step 6: Final answer
   x = 34,456.42