Finding the Fourth Proportional to 114,697.98, 172,077.98 and 81,627.98

Step by Step Solution

1. Step 1: Write the proportion equation
   114,697.98 : 172,077.98 = 81,627.98 : x
2. Step 2: Convert to fraction form
   114,697.98/172,077.98 = 81,627.98/x
3. Step 3: Cross multiply
   114,697.98x = 172,077.98 × 81,627.98
4. Step 4: Simplify right side
   114,697.98x = 14,046,376,641.35
5. Step 5: Solve for x
   x = 14,046,376,641.35/114,697.98
6. Step 6: Final answer
   x = 122,464.03