Finding the Fourth Proportional to 112,633.22, 169,354.90 and 103,855.82

Step by Step Solution

1. Step 1: Write the proportion equation
   112,633.22 : 169,354.90 = 103,855.82 : x
2. Step 2: Convert to fraction form
   112,633.22/169,354.90 = 103,855.82/x
3. Step 3: Cross multiply
   112,633.22x = 169,354.90 × 103,855.82
4. Step 4: Simplify right side
   112,633.22x = 17,588,492,010.52
5. Step 5: Solve for x
   x = 17,588,492,010.52/112,633.22
6. Step 6: Final answer
   x = 156,157.23