Finding the Fourth Proportional to 118,343.34, 177,603.17 and 86,834.82

Step by Step Solution

1. Step 1: Write the proportion equation
   118,343.34 : 177,603.17 = 86,834.82 : x
2. Step 2: Convert to fraction form
   118,343.34/177,603.17 = 86,834.82/x
3. Step 3: Cross multiply
   118,343.34x = 177,603.17 × 86,834.82
4. Step 4: Simplify right side
   118,343.34x = 15,422,139,298.38
5. Step 5: Solve for x
   x = 15,422,139,298.38/118,343.34
6. Step 6: Final answer
   x = 130,316.92