Finding the Fourth Proportional to 271,388.07, 406,794.60 and 91,301.98

Step by Step Solution

1. Step 1: Write the proportion equation
   271,388.07 : 406,794.60 = 91,301.98 : x
2. Step 2: Convert to fraction form
   271,388.07/406,794.60 = 91,301.98/x
3. Step 3: Cross multiply
   271,388.07x = 406,794.60 × 91,301.98
4. Step 4: Simplify right side
   271,388.07x = 37,141,151,976.80
5. Step 5: Solve for x
   x = 37,141,151,976.80/271,388.07
6. Step 6: Final answer
   x = 136,856.25