Finding the Fourth Proportional to 97,477.05, 146,233.74 and 30,899.31

Step by Step Solution

1. Step 1: Write the proportion equation
   97,477.05 : 146,233.74 = 30,899.31 : x
2. Step 2: Convert to fraction form
   97,477.05/146,233.74 = 30,899.31/x
3. Step 3: Cross multiply
   97,477.05x = 146,233.74 × 30,899.31
4. Step 4: Simplify right side
   97,477.05x = 4,518,521,664.72
5. Step 5: Solve for x
   x = 4,518,521,664.72/97,477.05
6. Step 6: Final answer
   x = 46,354.72