Finding the Fourth Proportional to 190,017.56, 262,236.42 and 109,443.35

Step by Step Solution

1. Step 1: Write the proportion equation
   190,017.56 : 262,236.42 = 109,443.35 : x
2. Step 2: Convert to fraction form
   190,017.56/262,236.42 = 109,443.35/x
3. Step 3: Cross multiply
   190,017.56x = 262,236.42 × 109,443.35
4. Step 4: Simplify right side
   190,017.56x = 28,700,032,952.40
5. Step 5: Solve for x
   x = 28,700,032,952.40/190,017.56
6. Step 6: Final answer
   x = 151,038.84