Finding the Fourth Proportional to 161,309.16, 241,914.52 and 42,965.10

Step by Step Solution

1. Step 1: Write the proportion equation
   161,309.16 : 241,914.52 = 42,965.10 : x
2. Step 2: Convert to fraction form
   161,309.16/241,914.52 = 42,965.10/x
3. Step 3: Cross multiply
   161,309.16x = 241,914.52 × 42,965.10
4. Step 4: Simplify right side
   161,309.16x = 10,393,881,543.25
5. Step 5: Solve for x
   x = 10,393,881,543.25/161,309.16
6. Step 6: Final answer
   x = 64,434.54