Finding the Fourth Proportional to 114,997.91, 158,677.34 and 105,696.50

Step by Step Solution

1. Step 1: Write the proportion equation
   114,997.91 : 158,677.34 = 105,696.50 : x
2. Step 2: Convert to fraction form
   114,997.91/158,677.34 = 105,696.50/x
3. Step 3: Cross multiply
   114,997.91x = 158,677.34 × 105,696.50
4. Step 4: Simplify right side
   114,997.91x = 16,771,638,145.44
5. Step 5: Solve for x
   x = 16,771,638,145.44/114,997.91
6. Step 6: Final answer
   x = 145,842.99