Finding the Fourth Proportional to 140,972.88, 211,498.37 and 65,094.61

Step by Step Solution

1. Step 1: Write the proportion equation
   140,972.88 : 211,498.37 = 65,094.61 : x
2. Step 2: Convert to fraction form
   140,972.88/211,498.37 = 65,094.61/x
3. Step 3: Cross multiply
   140,972.88x = 211,498.37 × 65,094.61
4. Step 4: Simplify right side
   140,972.88x = 13,767,403,910.79
5. Step 5: Solve for x
   x = 13,767,403,910.79/140,972.88
6. Step 6: Final answer
   x = 97,659.95