Finding the Fourth Proportional to 69,016.66, 103,656.20 and 42,903.88

Step by Step Solution

1. Step 1: Write the proportion equation
   69,016.66 : 103,656.20 = 42,903.88 : x
2. Step 2: Convert to fraction form
   69,016.66/103,656.20 = 42,903.88/x
3. Step 3: Cross multiply
   69,016.66x = 103,656.20 × 42,903.88
4. Step 4: Simplify right side
   69,016.66x = 4,447,253,166.06
5. Step 5: Solve for x
   x = 4,447,253,166.06/69,016.66
6. Step 6: Final answer
   x = 64,437.39