Finding the Fourth Proportional to 89,312.19, 123,243.12 and 49,025.82

Step by Step Solution

1. Step 1: Write the proportion equation
   89,312.19 : 123,243.12 = 49,025.82 : x
2. Step 2: Convert to fraction form
   89,312.19/123,243.12 = 49,025.82/x
3. Step 3: Cross multiply
   89,312.19x = 123,243.12 × 49,025.82
4. Step 4: Simplify right side
   89,312.19x = 6,042,095,017.36
5. Step 5: Solve for x
   x = 6,042,095,017.36/89,312.19
6. Step 6: Final answer
   x = 67,651.40