Finding the Fourth Proportional to 385,109.96, 577,496.42 and 182,764.05

Step by Step Solution

1. Step 1: Write the proportion equation
   385,109.96 : 577,496.42 = 182,764.05 : x
2. Step 2: Convert to fraction form
   385,109.96/577,496.42 = 182,764.05/x
3. Step 3: Cross multiply
   385,109.96x = 577,496.42 × 182,764.05
4. Step 4: Simplify right side
   385,109.96x = 105,545,583,665.88
5. Step 5: Solve for x
   x = 105,545,583,665.88/385,109.96
6. Step 6: Final answer
   x = 274,066.10