Finding the Fourth Proportional to 46,384.81, 69,581.78 and 13,105.14

Step by Step Solution

1. Step 1: Write the proportion equation
   46,384.81 : 69,581.78 = 13,105.14 : x
2. Step 2: Convert to fraction form
   46,384.81/69,581.78 = 13,105.14/x
3. Step 3: Cross multiply
   46,384.81x = 69,581.78 × 13,105.14
4. Step 4: Simplify right side
   46,384.81x = 911,878,641.89
5. Step 5: Solve for x
   x = 911,878,641.89/46,384.81
6. Step 6: Final answer
   x = 19,658.99