Finding the Fourth Proportional to 71,779.16, 99,047.89 and 41,574.30

Step by Step Solution

1. Step 1: Write the proportion equation
   71,779.16 : 99,047.89 = 41,574.30 : x
2. Step 2: Convert to fraction form
   71,779.16/99,047.89 = 41,574.30/x
3. Step 3: Cross multiply
   71,779.16x = 99,047.89 × 41,574.30
4. Step 4: Simplify right side
   71,779.16x = 4,117,846,693.23
5. Step 5: Solve for x
   x = 4,117,846,693.23/71,779.16
6. Step 6: Final answer
   x = 57,368.28