Finding the Fourth Proportional to 677,954.58, 935,574.72 and 372,036.12

Step by Step Solution

1. Step 1: Write the proportion equation
   677,954.58 : 935,574.72 = 372,036.12 : x
2. Step 2: Convert to fraction form
   677,954.58/935,574.72 = 372,036.12/x
3. Step 3: Cross multiply
   677,954.58x = 935,574.72 × 372,036.12
4. Step 4: Simplify right side
   677,954.58x = 348,067,588,798.89
5. Step 5: Solve for x
   x = 348,067,588,798.89/677,954.58
6. Step 6: Final answer
   x = 513,408.42