Finding the Fourth Proportional to 134,210.72, 201,337.92 and 49,971.20

Step by Step Solution

1. Step 1: Write the proportion equation
   134,210.72 : 201,337.92 = 49,971.20 : x
2. Step 2: Convert to fraction form
   134,210.72/201,337.92 = 49,971.20/x
3. Step 3: Cross multiply
   134,210.72x = 201,337.92 × 49,971.20
4. Step 4: Simplify right side
   134,210.72x = 10,061,097,467.90
5. Step 5: Solve for x
   x = 10,061,097,467.90/134,210.72
6. Step 6: Final answer
   x = 74,964.93