Finding the Fourth Proportional to 164,837.19, 227,475.45 and 89,385.69

Step by Step Solution

1. Step 1: Write the proportion equation
   164,837.19 : 227,475.45 = 89,385.69 : x
2. Step 2: Convert to fraction form
   164,837.19/227,475.45 = 89,385.69/x
3. Step 3: Cross multiply
   164,837.19x = 227,475.45 × 89,385.69
4. Step 4: Simplify right side
   164,837.19x = 20,333,050,056.31
5. Step 5: Solve for x
   x = 20,333,050,056.31/164,837.19
6. Step 6: Final answer
   x = 123,352.32