Finding the Fourth Proportional to 89,699.04, 123,785.46 and 49,412.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,699.04 : 123,785.46 = 49,412.88 : x
2. Step 2: Convert to fraction form
   89,699.04/123,785.46 = 49,412.88/x
3. Step 3: Cross multiply
   89,699.04x = 123,785.46 × 49,412.88
4. Step 4: Simplify right side
   89,699.04x = 6,116,596,080.72
5. Step 5: Solve for x
   x = 6,116,596,080.72/89,699.04
6. Step 6: Final answer
   x = 68,190.21