Finding the Fourth Proportional to 271,050.96, 406,497.37 and 91,116.05

Step by Step Solution

1. Step 1: Write the proportion equation
   271,050.96 : 406,497.37 = 91,116.05 : x
2. Step 2: Convert to fraction form
   271,050.96/406,497.37 = 91,116.05/x
3. Step 3: Cross multiply
   271,050.96x = 406,497.37 × 91,116.05
4. Step 4: Simplify right side
   271,050.96x = 37,038,434,295.56
5. Step 5: Solve for x
   x = 37,038,434,295.56/271,050.96
6. Step 6: Final answer
   x = 136,647.49