Finding the Fourth Proportional to 147,819.93, 221,997.15 and 136,563.15

Step by Step Solution

1. Step 1: Write the proportion equation
   147,819.93 : 221,997.15 = 136,563.15 : x
2. Step 2: Convert to fraction form
   147,819.93/221,997.15 = 136,563.15/x
3. Step 3: Cross multiply
   147,819.93x = 221,997.15 × 136,563.15
4. Step 4: Simplify right side
   147,819.93x = 30,316,630,095.02
5. Step 5: Solve for x
   x = 30,316,630,095.02/147,819.93
6. Step 6: Final answer
   x = 205,091.63