Finding the Fourth Proportional to 80,824.57, 111,499.27 and 62,796.21

Step by Step Solution

1. Step 1: Write the proportion equation
   80,824.57 : 111,499.27 = 62,796.21 : x
2. Step 2: Convert to fraction form
   80,824.57/111,499.27 = 62,796.21/x
3. Step 3: Cross multiply
   80,824.57x = 111,499.27 × 62,796.21
4. Step 4: Simplify right side
   80,824.57x = 7,001,731,573.77
5. Step 5: Solve for x
   x = 7,001,731,573.77/80,824.57
6. Step 6: Final answer
   x = 86,628.75