Finding the Fourth Proportional to 97,431.05, 146,150.82 and 30,876.09

Step by Step Solution

1. Step 1: Write the proportion equation
   97,431.05 : 146,150.82 = 30,876.09 : x
2. Step 2: Convert to fraction form
   97,431.05/146,150.82 = 30,876.09/x
3. Step 3: Cross multiply
   97,431.05x = 146,150.82 × 30,876.09
4. Step 4: Simplify right side
   97,431.05x = 4,512,565,871.89
5. Step 5: Solve for x
   x = 4,512,565,871.89/97,431.05
6. Step 6: Final answer
   x = 46,315.48