Finding the Fourth Proportional to 46,340.72, 69,515.18 and 13,061.08

Step by Step Solution

1. Step 1: Write the proportion equation
   46,340.72 : 69,515.18 = 13,061.08 : x
2. Step 2: Convert to fraction form
   46,340.72/69,515.18 = 13,061.08/x
3. Step 3: Cross multiply
   46,340.72x = 69,515.18 × 13,061.08
4. Step 4: Simplify right side
   46,340.72x = 907,943,327.19
5. Step 5: Solve for x
   x = 907,943,327.19/46,340.72
6. Step 6: Final answer
   x = 19,592.78