Finding the Fourth Proportional to 89,672.76, 123,749.34 and 49,387.32

Step by Step Solution

1. Step 1: Write the proportion equation
   89,672.76 : 123,749.34 = 49,387.32 : x
2. Step 2: Convert to fraction form
   89,672.76/123,749.34 = 49,387.32/x
3. Step 3: Cross multiply
   89,672.76x = 123,749.34 × 49,387.32
4. Step 4: Simplify right side
   89,672.76x = 6,111,648,254.37
5. Step 5: Solve for x
   x = 6,111,648,254.37/89,672.76
6. Step 6: Final answer
   x = 68,155.01