Finding the Fourth Proportional to 72,966.16, 100,692.56 and 41,145.32

Step by Step Solution

1. Step 1: Write the proportion equation
   72,966.16 : 100,692.56 = 41,145.32 : x
2. Step 2: Convert to fraction form
   72,966.16/100,692.56 = 41,145.32/x
3. Step 3: Cross multiply
   72,966.16x = 100,692.56 × 41,145.32
4. Step 4: Simplify right side
   72,966.16x = 4,143,027,602.82
5. Step 5: Solve for x
   x = 4,143,027,602.82/72,966.16
6. Step 6: Final answer
   x = 56,780.12