Finding the Fourth Proportional to 109,618.90, 164,416.20 and 30,741.10

Step by Step Solution

1. Step 1: Write the proportion equation
   109,618.90 : 164,416.20 = 30,741.10 : x
2. Step 2: Convert to fraction form
   109,618.90/164,416.20 = 30,741.10/x
3. Step 3: Cross multiply
   109,618.90x = 164,416.20 × 30,741.10
4. Step 4: Simplify right side
   109,618.90x = 5,054,334,845.82
5. Step 5: Solve for x
   x = 5,054,334,845.82/109,618.90
6. Step 6: Final answer
   x = 46,108.24