Finding the Fourth Proportional to 89,181.47, 123,074.31 and 53,364.62

Step by Step Solution

1. Step 1: Write the proportion equation
   89,181.47 : 123,074.31 = 53,364.62 : x
2. Step 2: Convert to fraction form
   89,181.47/123,074.31 = 53,364.62/x
3. Step 3: Cross multiply
   89,181.47x = 123,074.31 × 53,364.62
4. Step 4: Simplify right side
   89,181.47x = 6,567,813,784.91
5. Step 5: Solve for x
   x = 6,567,813,784.91/89,181.47
6. Step 6: Final answer
   x = 73,645.50