Finding the Fourth Proportional to 136,018.72, 204,028.12 and 41,248.72

Step by Step Solution

1. Step 1: Write the proportion equation
   136,018.72 : 204,028.12 = 41,248.72 : x
2. Step 2: Convert to fraction form
   136,018.72/204,028.12 = 41,248.72/x
3. Step 3: Cross multiply
   136,018.72x = 204,028.12 × 41,248.72
4. Step 4: Simplify right side
   136,018.72x = 8,415,898,794.01
5. Step 5: Solve for x
   x = 8,415,898,794.01/136,018.72
6. Step 6: Final answer
   x = 61,873.09