Finding the Fourth Proportional to 46,389.51, 69,588.82 and 13,109.83

Step by Step Solution

1. Step 1: Write the proportion equation
   46,389.51 : 69,588.82 = 13,109.83 : x
2. Step 2: Convert to fraction form
   46,389.51/69,588.82 = 13,109.83/x
3. Step 3: Cross multiply
   46,389.51x = 69,588.82 × 13,109.83
4. Step 4: Simplify right side
   46,389.51x = 912,297,600.10
5. Step 5: Solve for x
   x = 912,297,600.10/46,389.51
6. Step 6: Final answer
   x = 19,666.03