Finding the Fourth Proportional to 111,432.78, 153,775.94 and 60,444.56

Step by Step Solution

1. Step 1: Write the proportion equation
   111,432.78 : 153,775.94 = 60,444.56 : x
2. Step 2: Convert to fraction form
   111,432.78/153,775.94 = 60,444.56/x
3. Step 3: Cross multiply
   111,432.78x = 153,775.94 × 60,444.56
4. Step 4: Simplify right side
   111,432.78x = 9,294,919,114.10
5. Step 5: Solve for x
   x = 9,294,919,114.10/111,432.78
6. Step 6: Final answer
   x = 83,412.79