Finding the Fourth Proportional to 100,971.72, 151,475.52 and 33,507.78

Step by Step Solution

1. Step 1: Write the proportion equation
   100,971.72 : 151,475.52 = 33,507.78 : x
2. Step 2: Convert to fraction form
   100,971.72/151,475.52 = 33,507.78/x
3. Step 3: Cross multiply
   100,971.72x = 151,475.52 × 33,507.78
4. Step 4: Simplify right side
   100,971.72x = 5,075,608,399.55
5. Step 5: Solve for x
   x = 5,075,608,399.55/100,971.72
6. Step 6: Final answer
   x = 50,267.62