Finding the Fourth Proportional to 112,100.86, 154,611.69 and 71,818.35

Step by Step Solution

1. Step 1: Write the proportion equation
   112,100.86 : 154,611.69 = 71,818.35 : x
2. Step 2: Convert to fraction form
   112,100.86/154,611.69 = 71,818.35/x
3. Step 3: Cross multiply
   112,100.86x = 154,611.69 × 71,818.35
4. Step 4: Simplify right side
   112,100.86x = 11,103,955,617.40
5. Step 5: Solve for x
   x = 11,103,955,617.40/112,100.86
6. Step 6: Final answer
   x = 99,053.26