Finding the Fourth Proportional to 89,548.76, 123,460.13 and 64,997.48

Step by Step Solution

1. Step 1: Write the proportion equation
   89,548.76 : 123,460.13 = 64,997.48 : x
2. Step 2: Convert to fraction form
   89,548.76/123,460.13 = 64,997.48/x
3. Step 3: Cross multiply
   89,548.76x = 123,460.13 × 64,997.48
4. Step 4: Simplify right side
   89,548.76x = 8,024,596,388.18
5. Step 5: Solve for x
   x = 8,024,596,388.18/89,548.76
6. Step 6: Final answer
   x = 89,611.48