Finding the Fourth Proportional to 112,486.98, 168,730.41 and 103,100.61

Step by Step Solution

1. Step 1: Write the proportion equation
   112,486.98 : 168,730.41 = 103,100.61 : x
2. Step 2: Convert to fraction form
   112,486.98/168,730.41 = 103,100.61/x
3. Step 3: Cross multiply
   112,486.98x = 168,730.41 × 103,100.61
4. Step 4: Simplify right side
   112,486.98x = 17,396,208,196.55
5. Step 5: Solve for x
   x = 17,396,208,196.55/112,486.98
6. Step 6: Final answer
   x = 154,650.86