Finding the Fourth Proportional to 72,870.63, 100,561.82 and 41,040.09

Step by Step Solution

1. Step 1: Write the proportion equation
   72,870.63 : 100,561.82 = 41,040.09 : x
2. Step 2: Convert to fraction form
   72,870.63/100,561.82 = 41,040.09/x
3. Step 3: Cross multiply
   72,870.63x = 100,561.82 × 41,040.09
4. Step 4: Simplify right side
   72,870.63x = 4,127,065,938.16
5. Step 5: Solve for x
   x = 4,127,065,938.16/72,870.63
6. Step 6: Final answer
   x = 56,635.52