Finding the Fourth Proportional to 89,180.47, 123,072.93 and 53,363.62

Step by Step Solution

1. Step 1: Write the proportion equation
   89,180.47 : 123,072.93 = 53,363.62 : x
2. Step 2: Convert to fraction form
   89,180.47/123,072.93 = 53,363.62/x
3. Step 3: Cross multiply
   89,180.47x = 123,072.93 × 53,363.62
4. Step 4: Simplify right side
   89,180.47x = 6,567,617,068.81
5. Step 5: Solve for x
   x = 6,567,617,068.81/89,180.47
6. Step 6: Final answer
   x = 73,644.12