Finding the Fourth Proportional to 300,060.51, 450,091.31 and 122,567.55

Step by Step Solution

1. Step 1: Write the proportion equation
   300,060.51 : 450,091.31 = 122,567.55 : x
2. Step 2: Convert to fraction form
   300,060.51/450,091.31 = 122,567.55/x
3. Step 3: Cross multiply
   300,060.51x = 450,091.31 × 122,567.55
4. Step 4: Simplify right side
   300,060.51x = 55,166,588,530.15
5. Step 5: Solve for x
   x = 55,166,588,530.15/300,060.51
6. Step 6: Final answer
   x = 183,851.55