Finding the Fourth Proportional to 106,938.46, 160,395.37 and 28,058.84

Step by Step Solution

1. Step 1: Write the proportion equation
   106,938.46 : 160,395.37 = 28,058.84 : x
2. Step 2: Convert to fraction form
   106,938.46/160,395.37 = 28,058.84/x
3. Step 3: Cross multiply
   106,938.46x = 160,395.37 × 28,058.84
4. Step 4: Simplify right side
   106,938.46x = 4,500,507,752.93
5. Step 5: Solve for x
   x = 4,500,507,752.93/106,938.46
6. Step 6: Final answer
   x = 42,085.02