Finding the Fourth Proportional to 69,016.16, 103,655.45 and 42,903.38

Step by Step Solution

1. Step 1: Write the proportion equation
   69,016.16 : 103,655.45 = 42,903.38 : x
2. Step 2: Convert to fraction form
   69,016.16/103,655.45 = 42,903.38/x
3. Step 3: Cross multiply
   69,016.16x = 103,655.45 × 42,903.38
4. Step 4: Simplify right side
   69,016.16x = 4,447,168,749.40
5. Step 5: Solve for x
   x = 4,447,168,749.40/69,016.16
6. Step 6: Final answer
   x = 64,436.63