Finding the Fourth Proportional to 941,111.52, 1,298,742.12 and 511,391.76

Step by Step Solution

1. Step 1: Write the proportion equation
   941,111.52 : 1,298,742.12 = 511,391.76 : x
2. Step 2: Convert to fraction form
   941,111.52/1,298,742.12 = 511,391.76/x
3. Step 3: Cross multiply
   941,111.52x = 1,298,742.12 × 511,391.76
4. Step 4: Simplify right side
   941,111.52x = 664,166,018,532.93
5. Step 5: Solve for x
   x = 664,166,018,532.93/941,111.52
6. Step 6: Final answer
   x = 705,725.10