Finding the Fourth Proportional to 57,632, 79,532.16 and 31,136

Step by Step Solution

1. Step 1: Write the proportion equation
   57,632 : 79,532.16 = 31,136 : x
2. Step 2: Convert to fraction form
   57,632/79,532.16 = 31,136/x
3. Step 3: Cross multiply
   57,632x = 79,532.16 × 31,136
4. Step 4: Simplify right side
   57,632x = 2,476,313,333.76
5. Step 5: Solve for x
   x = 2,476,313,333.76/57,632
6. Step 6: Final answer
   x = 42,967.68