Finding the Fourth Proportional to 634,410.89, 875,488.06 and 347,932.72

Step by Step Solution

1. Step 1: Write the proportion equation
   634,410.89 : 875,488.06 = 347,932.72 : x
2. Step 2: Convert to fraction form
   634,410.89/875,488.06 = 347,932.72/x
3. Step 3: Cross multiply
   634,410.89x = 875,488.06 × 347,932.72
4. Step 4: Simplify right side
   634,410.89x = 304,610,942,043.32
5. Step 5: Solve for x
   x = 304,610,942,043.32/634,410.89
6. Step 6: Final answer
   x = 480,147.72