Finding the Fourth Proportional to 271,064.27, 406,602.96 and 91,152.05

Step by Step Solution

1. Step 1: Write the proportion equation
   271,064.27 : 406,602.96 = 91,152.05 : x
2. Step 2: Convert to fraction form
   271,064.27/406,602.96 = 91,152.05/x
3. Step 3: Cross multiply
   271,064.27x = 406,602.96 × 91,152.05
4. Step 4: Simplify right side
   271,064.27x = 37,062,693,252.37
5. Step 5: Solve for x
   x = 37,062,693,252.37/271,064.27
6. Step 6: Final answer
   x = 136,730.28