Finding the Fourth Proportional to 123,082, 183,656.93 and 115,558.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,082 : 183,656.93 = 115,558.72 : x
2. Step 2: Convert to fraction form
   123,082/183,656.93 = 115,558.72/x
3. Step 3: Cross multiply
   123,082x = 183,656.93 × 115,558.72
4. Step 4: Simplify right side
   123,082x = 21,223,159,749.93
5. Step 5: Solve for x
   x = 21,223,159,749.93/123,082
6. Step 6: Final answer
   x = 172,431.06