Finding the Fourth Proportional to 46,298.16, 69,451.34 and 13,018.51

Step by Step Solution

1. Step 1: Write the proportion equation
   46,298.16 : 69,451.34 = 13,018.51 : x
2. Step 2: Convert to fraction form
   46,298.16/69,451.34 = 13,018.51/x
3. Step 3: Cross multiply
   46,298.16x = 69,451.34 × 13,018.51
4. Step 4: Simplify right side
   46,298.16x = 904,152,551.95
5. Step 5: Solve for x
   x = 904,152,551.95/46,298.16
6. Step 6: Final answer
   x = 19,528.91