Finding the Fourth Proportional to 216,003.72, 298,100.82 and 125,412.12

Step by Step Solution

1. Step 1: Write the proportion equation
   216,003.72 : 298,100.82 = 125,412.12 : x
2. Step 2: Convert to fraction form
   216,003.72/298,100.82 = 125,412.12/x
3. Step 3: Cross multiply
   216,003.72x = 298,100.82 × 125,412.12
4. Step 4: Simplify right side
   216,003.72x = 37,385,455,809.94
5. Step 5: Solve for x
   x = 37,385,455,809.94/216,003.72
6. Step 6: Final answer
   x = 173,077.83