Finding the Fourth Proportional to 945,978.27, 1,418,123.49 and 346,799.52

Step by Step Solution

1. Step 1: Write the proportion equation
   945,978.27 : 1,418,123.49 = 346,799.52 : x
2. Step 2: Convert to fraction form
   945,978.27/1,418,123.49 = 346,799.52/x
3. Step 3: Cross multiply
   945,978.27x = 1,418,123.49 × 346,799.52
4. Step 4: Simplify right side
   945,978.27x = 491,804,545,632.73
5. Step 5: Solve for x
   x = 491,804,545,632.73/945,978.27
6. Step 6: Final answer
   x = 519,889.90