Finding the Fourth Proportional to 111,892.10, 154,415.01 and 60,909.03

Step by Step Solution

1. Step 1: Write the proportion equation
   111,892.10 : 154,415.01 = 60,909.03 : x
2. Step 2: Convert to fraction form
   111,892.10/154,415.01 = 60,909.03/x
3. Step 3: Cross multiply
   111,892.10x = 154,415.01 × 60,909.03
4. Step 4: Simplify right side
   111,892.10x = 9,405,268,476.54
5. Step 5: Solve for x
   x = 9,405,268,476.54/111,892.10
6. Step 6: Final answer
   x = 84,056.59