Finding the Fourth Proportional to 515,433, 773,164.08 and 141,456

Step by Step Solution

1. Step 1: Write the proportion equation
   515,433 : 773,164.08 = 141,456 : x
2. Step 2: Convert to fraction form
   515,433/773,164.08 = 141,456/x
3. Step 3: Cross multiply
   515,433x = 773,164.08 × 141,456
4. Step 4: Simplify right side
   515,433x = 109,368,698,100.48
5. Step 5: Solve for x
   x = 109,368,698,100.48/515,433
6. Step 6: Final answer
   x = 212,188.00