Finding the Fourth Proportional to 311,086,488.72, 466,303,783.56 and 144,953,025.24

Step by Step Solution

1. Step 1: Write the proportion equation
   311,086,488.72 : 466,303,783.56 = 144,953,025.24 : x
2. Step 2: Convert to fraction form
   311,086,488.72/466,303,783.56 = 144,953,025.24/x
3. Step 3: Cross multiply
   311,086,488.72x = 466,303,783.56 × 144,953,025.24
4. Step 4: Simplify right side
   311,086,488.72x = 67,592,144,107,880,184
5. Step 5: Solve for x
   x = 67,592,144,107,880,184/311,086,488.72
6. Step 6: Final answer
   x = 217,277,659.30