Finding the Fourth Proportional to 72,974, 100,700.20 and 41,140.84

Step by Step Solution

1. Step 1: Write the proportion equation
   72,974 : 100,700.20 = 41,140.84 : x
2. Step 2: Convert to fraction form
   72,974/100,700.20 = 41,140.84/x
3. Step 3: Cross multiply
   72,974x = 100,700.20 × 41,140.84
4. Step 4: Simplify right side
   72,974x = 4,142,890,816.17
5. Step 5: Solve for x
   x = 4,142,890,816.17/72,974
6. Step 6: Final answer
   x = 56,772.15