Finding the Fourth Proportional to 123,914.76, 185,875.78 and 30,420.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,914.76 : 185,875.78 = 30,420.50 : x
2. Step 2: Convert to fraction form
   123,914.76/185,875.78 = 30,420.50/x
3. Step 3: Cross multiply
   123,914.76x = 185,875.78 × 30,420.50
4. Step 4: Simplify right side
   123,914.76x = 5,654,434,165.49
5. Step 5: Solve for x
   x = 5,654,434,165.49/123,914.76
6. Step 6: Final answer
   x = 45,631.64