Finding the Fourth Proportional to 109,416.84, 164,152.88 and 30,531

Step by Step Solution

1. Step 1: Write the proportion equation
   109,416.84 : 164,152.88 = 30,531 : x
2. Step 2: Convert to fraction form
   109,416.84/164,152.88 = 30,531/x
3. Step 3: Cross multiply
   109,416.84x = 164,152.88 × 30,531
4. Step 4: Simplify right side
   109,416.84x = 5,011,751,579.28
5. Step 5: Solve for x
   x = 5,011,751,579.28/109,416.84
6. Step 6: Final answer
   x = 45,804.21