Finding the Fourth Proportional to 49,643.17, 74,464.72 and 20,061.02

Step by Step Solution

1. Step 1: Write the proportion equation
   49,643.17 : 74,464.72 = 20,061.02 : x
2. Step 2: Convert to fraction form
   49,643.17/74,464.72 = 20,061.02/x
3. Step 3: Cross multiply
   49,643.17x = 74,464.72 × 20,061.02
4. Step 4: Simplify right side
   49,643.17x = 1,493,838,373.22
5. Step 5: Solve for x
   x = 1,493,838,373.22/49,643.17
6. Step 6: Final answer
   x = 30,091.52