Finding the Fourth Proportional to 111,800.56, 154,225.32 and 84,898.48

Step by Step Solution

1. Step 1: Write the proportion equation
   111,800.56 : 154,225.32 = 84,898.48 : x
2. Step 2: Convert to fraction form
   111,800.56/154,225.32 = 84,898.48/x
3. Step 3: Cross multiply
   111,800.56x = 154,225.32 × 84,898.48
4. Step 4: Simplify right side
   111,800.56x = 13,093,495,245.51
5. Step 5: Solve for x
   x = 13,093,495,245.51/111,800.56
6. Step 6: Final answer
   x = 117,114.76