Finding the Fourth Proportional to 46,230, 69,356.52 and 13,398

Step by Step Solution

1. Step 1: Write the proportion equation
   46,230 : 69,356.52 = 13,398 : x
2. Step 2: Convert to fraction form
   46,230/69,356.52 = 13,398/x
3. Step 3: Cross multiply
   46,230x = 69,356.52 × 13,398
4. Step 4: Simplify right side
   46,230x = 929,238,654.96
5. Step 5: Solve for x
   x = 929,238,654.96/46,230
6. Step 6: Final answer
   x = 20,100.34