Finding the Fourth Proportional to 111,211.17, 153,471.42 and 60,910.17

Step by Step Solution

1. Step 1: Write the proportion equation
   111,211.17 : 153,471.42 = 60,910.17 : x
2. Step 2: Convert to fraction form
   111,211.17/153,471.42 = 60,910.17/x
3. Step 3: Cross multiply
   111,211.17x = 153,471.42 × 60,910.17
4. Step 4: Simplify right side
   111,211.17x = 9,347,970,282.34
5. Step 5: Solve for x
   x = 9,347,970,282.34/111,211.17
6. Step 6: Final answer
   x = 84,056.04