Finding the Fourth Proportional to 113,928.67, 170,897.10 and 42,844.79

Step by Step Solution

1. Step 1: Write the proportion equation
   113,928.67 : 170,897.10 = 42,844.79 : x
2. Step 2: Convert to fraction form
   113,928.67/170,897.10 = 42,844.79/x
3. Step 3: Cross multiply
   113,928.67x = 170,897.10 × 42,844.79
4. Step 4: Simplify right side
   113,928.67x = 7,322,050,361.11
5. Step 5: Solve for x
   x = 7,322,050,361.11/113,928.67
6. Step 6: Final answer
   x = 64,268.72