Finding the Fourth Proportional to 89,435.27, 123,369.27 and 55,842.95

Step by Step Solution

1. Step 1: Write the proportion equation
   89,435.27 : 123,369.27 = 55,842.95 : x
2. Step 2: Convert to fraction form
   89,435.27/123,369.27 = 55,842.95/x
3. Step 3: Cross multiply
   89,435.27x = 123,369.27 × 55,842.95
4. Step 4: Simplify right side
   89,435.27x = 6,889,303,976.15
5. Step 5: Solve for x
   x = 6,889,303,976.15/89,435.27
6. Step 6: Final answer
   x = 77,031.18