Finding the Fourth Proportional to 147,584, 203,665.72 and 80,516

Step by Step Solution

1. Step 1: Write the proportion equation
   147,584 : 203,665.72 = 80,516 : x
2. Step 2: Convert to fraction form
   147,584/203,665.72 = 80,516/x
3. Step 3: Cross multiply
   147,584x = 203,665.72 × 80,516
4. Step 4: Simplify right side
   147,584x = 16,398,349,111.52
5. Step 5: Solve for x
   x = 16,398,349,111.52/147,584
6. Step 6: Final answer
   x = 111,111.97