Finding the Fourth Proportional to 165,253.59, 228,048.89 and 89,802.09

Step by Step Solution

1. Step 1: Write the proportion equation
   165,253.59 : 228,048.89 = 89,802.09 : x
2. Step 2: Convert to fraction form
   165,253.59/228,048.89 = 89,802.09/x
3. Step 3: Cross multiply
   165,253.59x = 228,048.89 × 89,802.09
4. Step 4: Simplify right side
   165,253.59x = 20,479,266,495.17
5. Step 5: Solve for x
   x = 20,479,266,495.17/165,253.59
6. Step 6: Final answer
   x = 123,926.30