Finding the Fourth Proportional to 770,483.80, 1,155,776.42 and 201,878.82

Step by Step Solution

1. Step 1: Write the proportion equation
   770,483.80 : 1,155,776.42 = 201,878.82 : x
2. Step 2: Convert to fraction form
   770,483.80/1,155,776.42 = 201,878.82/x
3. Step 3: Cross multiply
   770,483.80x = 1,155,776.42 × 201,878.82
4. Step 4: Simplify right side
   770,483.80x = 233,326,779,853.42
5. Step 5: Solve for x
   x = 233,326,779,853.42/770,483.80
6. Step 6: Final answer
   x = 302,831.52