Finding the Fourth Proportional to 92,817.36, 139,203.72 and 42,849.48

Step by Step Solution

1. Step 1: Write the proportion equation
   92,817.36 : 139,203.72 = 42,849.48 : x
2. Step 2: Convert to fraction form
   92,817.36/139,203.72 = 42,849.48/x
3. Step 3: Cross multiply
   92,817.36x = 139,203.72 × 42,849.48
4. Step 4: Simplify right side
   92,817.36x = 5,964,807,016.07
5. Step 5: Solve for x
   x = 5,964,807,016.07/92,817.36
6. Step 6: Final answer
   x = 64,263.92