Finding the Fourth Proportional to 978,152.70, 1,467,666.45 and 347,519.10

Step by Step Solution

1. Step 1: Write the proportion equation
   978,152.70 : 1,467,666.45 = 347,519.10 : x
2. Step 2: Convert to fraction form
   978,152.70/1,467,666.45 = 347,519.10/x
3. Step 3: Cross multiply
   978,152.70x = 1,467,666.45 × 347,519.10
4. Step 4: Simplify right side
   978,152.70x = 510,042,123,804.20
5. Step 5: Solve for x
   x = 510,042,123,804.20/978,152.70
6. Step 6: Final answer
   x = 521,434.05