Finding the Fourth Proportional to 147,401.72, 203,415.05 and 83,743.01

Step by Step Solution

1. Step 1: Write the proportion equation
   147,401.72 : 203,415.05 = 83,743.01 : x
2. Step 2: Convert to fraction form
   147,401.72/203,415.05 = 83,743.01/x
3. Step 3: Cross multiply
   147,401.72x = 203,415.05 × 83,743.01
4. Step 4: Simplify right side
   147,401.72x = 17,034,589,284.20
5. Step 5: Solve for x
   x = 17,034,589,284.20/147,401.72
6. Step 6: Final answer
   x = 115,565.74