Finding the Fourth Proportional to 140,316.46, 210,557.72 and 51,632.24

Step by Step Solution

1. Step 1: Write the proportion equation
   140,316.46 : 210,557.72 = 51,632.24 : x
2. Step 2: Convert to fraction form
   140,316.46/210,557.72 = 51,632.24/x
3. Step 3: Cross multiply
   140,316.46x = 210,557.72 × 51,632.24
4. Step 4: Simplify right side
   140,316.46x = 10,871,566,732.89
5. Step 5: Solve for x
   x = 10,871,566,732.89/140,316.46
6. Step 6: Final answer
   x = 77,478.91