Finding the Fourth Proportional to 948,978.05, 1,423,483.56 and 349,630.70

Step by Step Solution

1. Step 1: Write the proportion equation
   948,978.05 : 1,423,483.56 = 349,630.70 : x
2. Step 2: Convert to fraction form
   948,978.05/1,423,483.56 = 349,630.70/x
3. Step 3: Cross multiply
   948,978.05x = 1,423,483.56 × 349,630.70
4. Step 4: Simplify right side
   948,978.05x = 497,693,546,403.87
5. Step 5: Solve for x
   x = 497,693,546,403.87/948,978.05
6. Step 6: Final answer
   x = 524,452.12