Finding the Fourth Proportional to 72,082.96, 98,610 and 71,779.36

Step by Step Solution

1. Step 1: Write the proportion equation
   72,082.96 : 98,610 = 71,779.36 : x
2. Step 2: Convert to fraction form
   72,082.96/98,610 = 71,779.36/x
3. Step 3: Cross multiply
   72,082.96x = 98,610 × 71,779.36
4. Step 4: Simplify right side
   72,082.96x = 7,078,162,689.60
5. Step 5: Solve for x
   x = 7,078,162,689.60/72,082.96
6. Step 6: Final answer
   x = 98,194.67