Finding the Fourth Proportional to 111,854.01, 154,358.28 and 61,553.01

Step by Step Solution

1. Step 1: Write the proportion equation
   111,854.01 : 154,358.28 = 61,553.01 : x
2. Step 2: Convert to fraction form
   111,854.01/154,358.28 = 61,553.01/x
3. Step 3: Cross multiply
   111,854.01x = 154,358.28 × 61,553.01
4. Step 4: Simplify right side
   111,854.01x = 9,501,216,752.42
5. Step 5: Solve for x
   x = 9,501,216,752.42/111,854.01
6. Step 6: Final answer
   x = 84,943.01