Finding the Fourth Proportional to 110,328.42, 165,471.39 and 42,860.37

Step by Step Solution

1. Step 1: Write the proportion equation
   110,328.42 : 165,471.39 = 42,860.37 : x
2. Step 2: Convert to fraction form
   110,328.42/165,471.39 = 42,860.37/x
3. Step 3: Cross multiply
   110,328.42x = 165,471.39 × 42,860.37
4. Step 4: Simplify right side
   110,328.42x = 7,092,164,999.81
5. Step 5: Solve for x
   x = 7,092,164,999.81/110,328.42
6. Step 6: Final answer
   x = 64,282.30