Finding the Fourth Proportional to 143,337,196.37, 213,959,378.76 and 122,997,620.69

Step by Step Solution

1. Step 1: Write the proportion equation
   143,337,196.37 : 213,959,378.76 = 122,997,620.69 : x
2. Step 2: Convert to fraction form
   143,337,196.37/213,959,378.76 = 122,997,620.69/x
3. Step 3: Cross multiply
   143,337,196.37x = 213,959,378.76 × 122,997,620.69
4. Step 4: Simplify right side
   143,337,196.37x = 26,316,494,512,958,900
5. Step 5: Solve for x
   x = 26,316,494,512,958,900/143,337,196.37
6. Step 6: Final answer
   x = 183,598,501.85