Finding the Fourth Proportional to 89,281.61, 123,209.54 and 48,997.98

Step by Step Solution

1. Step 1: Write the proportion equation
   89,281.61 : 123,209.54 = 48,997.98 : x
2. Step 2: Convert to fraction form
   89,281.61/123,209.54 = 48,997.98/x
3. Step 3: Cross multiply
   89,281.61x = 123,209.54 × 48,997.98
4. Step 4: Simplify right side
   89,281.61x = 6,037,018,699.22
5. Step 5: Solve for x
   x = 6,037,018,699.22/89,281.61
6. Step 6: Final answer
   x = 67,617.72