Finding the Fourth Proportional to 109,996.26, 151,796.99 and 71,780.27

Step by Step Solution

1. Step 1: Write the proportion equation
   109,996.26 : 151,796.99 = 71,780.27 : x
2. Step 2: Convert to fraction form
   109,996.26/151,796.99 = 71,780.27/x
3. Step 3: Cross multiply
   109,996.26x = 151,796.99 × 71,780.27
4. Step 4: Simplify right side
   109,996.26x = 10,896,027,809.50
5. Step 5: Solve for x
   x = 10,896,027,809.50/109,996.26
6. Step 6: Final answer
   x = 99,058.17