Finding the Fourth Proportional to 112,100.83, 154,611.63 and 71,818.32

Step by Step Solution

1. Step 1: Write the proportion equation
   112,100.83 : 154,611.63 = 71,818.32 : x
2. Step 2: Convert to fraction form
   112,100.83/154,611.63 = 71,818.32/x
3. Step 3: Cross multiply
   112,100.83x = 154,611.63 × 71,818.32
4. Step 4: Simplify right side
   112,100.83x = 11,103,947,519.06
5. Step 5: Solve for x
   x = 11,103,947,519.06/112,100.83
6. Step 6: Final answer
   x = 99,053.21