Finding the Fourth Proportional to 501,498.77, 752,245.57 and 122,421.51

Step by Step Solution

1. Step 1: Write the proportion equation
   501,498.77 : 752,245.57 = 122,421.51 : x
2. Step 2: Convert to fraction form
   501,498.77/752,245.57 = 122,421.51/x
3. Step 3: Cross multiply
   501,498.77x = 752,245.57 × 122,421.51
4. Step 4: Simplify right side
   501,498.77x = 92,091,034,196.88
5. Step 5: Solve for x
   x = 92,091,034,196.88/501,498.77
6. Step 6: Final answer
   x = 183,631.63