Finding the Fourth Proportional to 89,439.01, 123,427.98 and 49,156.60

Step by Step Solution

1. Step 1: Write the proportion equation
   89,439.01 : 123,427.98 = 49,156.60 : x
2. Step 2: Convert to fraction form
   89,439.01/123,427.98 = 49,156.60/x
3. Step 3: Cross multiply
   89,439.01x = 123,427.98 × 49,156.60
4. Step 4: Simplify right side
   89,439.01x = 6,067,299,841.67
5. Step 5: Solve for x
   x = 6,067,299,841.67/89,439.01
6. Step 6: Final answer
   x = 67,837.29