Finding the Fourth Proportional to 115,983.35, 173,947.89 and 65,404.21

Step by Step Solution

1. Step 1: Write the proportion equation
   115,983.35 : 173,947.89 = 65,404.21 : x
2. Step 2: Convert to fraction form
   115,983.35/173,947.89 = 65,404.21/x
3. Step 3: Cross multiply
   115,983.35x = 173,947.89 × 65,404.21
4. Step 4: Simplify right side
   115,983.35x = 11,376,924,326.62
5. Step 5: Solve for x
   x = 11,376,924,326.62/115,983.35
6. Step 6: Final answer
   x = 98,091.01