Finding the Fourth Proportional to 304,128.45, 456,088.89 and 124,185.86

Step by Step Solution

1. Step 1: Write the proportion equation
   304,128.45 : 456,088.89 = 124,185.86 : x
2. Step 2: Convert to fraction form
   304,128.45/456,088.89 = 124,185.86/x
3. Step 3: Cross multiply
   304,128.45x = 456,088.89 × 124,185.86
4. Step 4: Simplify right side
   304,128.45x = 56,639,788,760.65
5. Step 5: Solve for x
   x = 56,639,788,760.65/304,128.45
6. Step 6: Final answer
   x = 186,236.40