Finding the Fourth Proportional to 99,404.16, 137,176.27 and 54,082.54

Step by Step Solution

1. Step 1: Write the proportion equation
   99,404.16 : 137,176.27 = 54,082.54 : x
2. Step 2: Convert to fraction form
   99,404.16/137,176.27 = 54,082.54/x
3. Step 3: Cross multiply
   99,404.16x = 137,176.27 × 54,082.54
4. Step 4: Simplify right side
   99,404.16x = 7,418,841,109.33
5. Step 5: Solve for x
   x = 7,418,841,109.33/99,404.16
6. Step 6: Final answer
   x = 74,633.10