Finding the Fourth Proportional to 117,550.19, 175,086.64 and 115,089.82

Step by Step Solution

1. Step 1: Write the proportion equation
   117,550.19 : 175,086.64 = 115,089.82 : x
2. Step 2: Convert to fraction form
   117,550.19/175,086.64 = 115,089.82/x
3. Step 3: Cross multiply
   117,550.19x = 175,086.64 × 115,089.82
4. Step 4: Simplify right side
   117,550.19x = 20,150,689,588.15
5. Step 5: Solve for x
   x = 20,150,689,588.15/117,550.19
6. Step 6: Final answer
   x = 171,422.00