Finding the Fourth Proportional to 71,783.56, 99,064.56 and 41,570.20

Step by Step Solution

1. Step 1: Write the proportion equation
   71,783.56 : 99,064.56 = 41,570.20 : x
2. Step 2: Convert to fraction form
   71,783.56/99,064.56 = 41,570.20/x
3. Step 3: Cross multiply
   71,783.56x = 99,064.56 × 41,570.20
4. Step 4: Simplify right side
   71,783.56x = 4,118,133,572.11
5. Step 5: Solve for x
   x = 4,118,133,572.11/71,783.56
6. Step 6: Final answer
   x = 57,368.76