Finding the Fourth Proportional to 72,931, 100,644.76 and 41,101.04

Step by Step Solution

1. Step 1: Write the proportion equation
   72,931 : 100,644.76 = 41,101.04 : x
2. Step 2: Convert to fraction form
   72,931/100,644.76 = 41,101.04/x
3. Step 3: Cross multiply
   72,931x = 100,644.76 × 41,101.04
4. Step 4: Simplify right side
   72,931x = 4,136,604,306.55
5. Step 5: Solve for x
   x = 4,136,604,306.55/72,931
6. Step 6: Final answer
   x = 56,719.42