Finding the Fourth Proportional to 612,074.82, 918,111.05 and 162,796.16

Step by Step Solution

1. Step 1: Write the proportion equation
   612,074.82 : 918,111.05 = 162,796.16 : x
2. Step 2: Convert to fraction form
   612,074.82/918,111.05 = 162,796.16/x
3. Step 3: Cross multiply
   612,074.82x = 918,111.05 × 162,796.16
4. Step 4: Simplify right side
   612,074.82x = 149,464,953,434.25
5. Step 5: Solve for x
   x = 149,464,953,434.25/612,074.82
6. Step 6: Final answer
   x = 244,193.93