Finding the Fourth Proportional to 145,109.16, 200,224.98 and 88,538.76

Step by Step Solution

1. Step 1: Write the proportion equation
   145,109.16 : 200,224.98 = 88,538.76 : x
2. Step 2: Convert to fraction form
   145,109.16/200,224.98 = 88,538.76/x
3. Step 3: Cross multiply
   145,109.16x = 200,224.98 × 88,538.76
4. Step 4: Simplify right side
   145,109.16x = 17,727,671,450.22
5. Step 5: Solve for x
   x = 17,727,671,450.22/145,109.16
6. Step 6: Final answer
   x = 122,167.83