Finding the Fourth Proportional to 89,141.46, 123,011.37 and 53,310.30

Step by Step Solution

1. Step 1: Write the proportion equation
   89,141.46 : 123,011.37 = 53,310.30 : x
2. Step 2: Convert to fraction form
   89,141.46/123,011.37 = 53,310.30/x
3. Step 3: Cross multiply
   89,141.46x = 123,011.37 × 53,310.30
4. Step 4: Simplify right side
   89,141.46x = 6,557,773,038.11
5. Step 5: Solve for x
   x = 6,557,773,038.11/89,141.46
6. Step 6: Final answer
   x = 73,565.91