Finding the Fourth Proportional to 105,457.60, 158,161.56 and 30,557.98

Step by Step Solution

1. Step 1: Write the proportion equation
   105,457.60 : 158,161.56 = 30,557.98 : x
2. Step 2: Convert to fraction form
   105,457.60/158,161.56 = 30,557.98/x
3. Step 3: Cross multiply
   105,457.60x = 158,161.56 × 30,557.98
4. Step 4: Simplify right side
   105,457.60x = 4,833,097,787.25
5. Step 5: Solve for x
   x = 4,833,097,787.25/105,457.60
6. Step 6: Final answer
   x = 45,829.77