Finding the Fourth Proportional to 112,099.83, 154,610.25 and 71,817.32

Step by Step Solution

1. Step 1: Write the proportion equation
   112,099.83 : 154,610.25 = 71,817.32 : x
2. Step 2: Convert to fraction form
   112,099.83/154,610.25 = 71,817.32/x
3. Step 3: Cross multiply
   112,099.83x = 154,610.25 × 71,817.32
4. Step 4: Simplify right side
   112,099.83x = 11,103,693,026.48
5. Step 5: Solve for x
   x = 11,103,693,026.48/112,099.83
6. Step 6: Final answer
   x = 99,051.83