Finding the Fourth Proportional to 185,830.61, 278,387.69 and 111,010.64

Step by Step Solution

1. Step 1: Write the proportion equation
   185,830.61 : 278,387.69 = 111,010.64 : x
2. Step 2: Convert to fraction form
   185,830.61/278,387.69 = 111,010.64/x
3. Step 3: Cross multiply
   185,830.61x = 278,387.69 × 111,010.64
4. Step 4: Simplify right side
   185,830.61x = 30,903,993,688.03
5. Step 5: Solve for x
   x = 30,903,993,688.03/185,830.61
6. Step 6: Final answer
   x = 166,301.96