Finding the Fourth Proportional to 123,066.22, 169,888.08 and 72,071.86

Step by Step Solution

1. Step 1: Write the proportion equation
   123,066.22 : 169,888.08 = 72,071.86 : x
2. Step 2: Convert to fraction form
   123,066.22/169,888.08 = 72,071.86/x
3. Step 3: Cross multiply
   123,066.22x = 169,888.08 × 72,071.86
4. Step 4: Simplify right side
   123,066.22x = 12,244,149,917.43
5. Step 5: Solve for x
   x = 12,244,149,917.43/123,066.22
6. Step 6: Final answer
   x = 99,492.37