Finding the Fourth Proportional to 46,344.42, 69,507.72 and 13,056.12

Step by Step Solution

1. Step 1: Write the proportion equation
   46,344.42 : 69,507.72 = 13,056.12 : x
2. Step 2: Convert to fraction form
   46,344.42/69,507.72 = 13,056.12/x
3. Step 3: Cross multiply
   46,344.42x = 69,507.72 × 13,056.12
4. Step 4: Simplify right side
   46,344.42x = 907,501,133.25
5. Step 5: Solve for x
   x = 907,501,133.25/46,344.42
6. Step 6: Final answer
   x = 19,581.67