Finding the Fourth Proportional to 271,065.15, 406,617.72 and 71,384.16

Step by Step Solution

1. Step 1: Write the proportion equation
   271,065.15 : 406,617.72 = 71,384.16 : x
2. Step 2: Convert to fraction form
   271,065.15/406,617.72 = 71,384.16/x
3. Step 3: Cross multiply
   271,065.15x = 406,617.72 × 71,384.16
4. Step 4: Simplify right side
   271,065.15x = 29,026,064,383.32
5. Step 5: Solve for x
   x = 29,026,064,383.32/271,065.15
6. Step 6: Final answer
   x = 107,081.51