Finding the Fourth Proportional to 109,656.33, 164,110.25 and 91,907.03

Step by Step Solution

1. Step 1: Write the proportion equation
   109,656.33 : 164,110.25 = 91,907.03 : x
2. Step 2: Convert to fraction form
   109,656.33/164,110.25 = 91,907.03/x
3. Step 3: Cross multiply
   109,656.33x = 164,110.25 × 91,907.03
4. Step 4: Simplify right side
   109,656.33x = 15,082,885,005.38
5. Step 5: Solve for x
   x = 15,082,885,005.38/109,656.33
6. Step 6: Final answer
   x = 137,546.88