Finding the Fourth Proportional to 89,603.31, 123,648.09 and 49,316.04

Step by Step Solution

1. Step 1: Write the proportion equation
   89,603.31 : 123,648.09 = 49,316.04 : x
2. Step 2: Convert to fraction form
   89,603.31/123,648.09 = 49,316.04/x
3. Step 3: Cross multiply
   89,603.31x = 123,648.09 × 49,316.04
4. Step 4: Simplify right side
   89,603.31x = 6,097,834,152.36
5. Step 5: Solve for x
   x = 6,097,834,152.36/89,603.31
6. Step 6: Final answer
   x = 68,053.67