Finding the Fourth Proportional to 111,892.99, 154,415.68 and 68,897.30

Step by Step Solution

1. Step 1: Write the proportion equation
   111,892.99 : 154,415.68 = 68,897.30 : x
2. Step 2: Convert to fraction form
   111,892.99/154,415.68 = 68,897.30/x
3. Step 3: Cross multiply
   111,892.99x = 154,415.68 × 68,897.30
4. Step 4: Simplify right side
   111,892.99x = 10,638,823,429.66
5. Step 5: Solve for x
   x = 10,638,823,429.66/111,892.99
6. Step 6: Final answer
   x = 95,080.34