Finding the Fourth Proportional to 112,164.63, 154,781.69 and 66,841.59

Step by Step Solution

1. Step 1: Write the proportion equation
   112,164.63 : 154,781.69 = 66,841.59 : x
2. Step 2: Convert to fraction form
   112,164.63/154,781.69 = 66,841.59/x
3. Step 3: Cross multiply
   112,164.63x = 154,781.69 × 66,841.59
4. Step 4: Simplify right side
   112,164.63x = 10,345,854,262.49
5. Step 5: Solve for x
   x = 10,345,854,262.49/112,164.63
6. Step 6: Final answer
   x = 92,238.12