Finding the Fourth Proportional to 86,196.54, 118,883.75 and 58,988.69

Step by Step Solution

1. Step 1: Write the proportion equation
   86,196.54 : 118,883.75 = 58,988.69 : x
2. Step 2: Convert to fraction form
   86,196.54/118,883.75 = 58,988.69/x
3. Step 3: Cross multiply
   86,196.54x = 118,883.75 × 58,988.69
4. Step 4: Simplify right side
   86,196.54x = 7,012,795,785.43
5. Step 5: Solve for x
   x = 7,012,795,785.43/86,196.54
6. Step 6: Final answer
   x = 81,358.21