Finding the Fourth Proportional to 162,189.18, 243,296.06 and 43,858.80

Step by Step Solution

1. Step 1: Write the proportion equation
   162,189.18 : 243,296.06 = 43,858.80 : x
2. Step 2: Convert to fraction form
   162,189.18/243,296.06 = 43,858.80/x
3. Step 3: Cross multiply
   162,189.18x = 243,296.06 × 43,858.80
4. Step 4: Simplify right side
   162,189.18x = 10,670,673,017.03
5. Step 5: Solve for x
   x = 10,670,673,017.03/162,189.18
6. Step 6: Final answer
   x = 65,791.52