Finding the Fourth Proportional to 277,786,062.72, 383,309,532.81 and 152,305,238.61

Step by Step Solution

1. Step 1: Write the proportion equation
   277,786,062.72 : 383,309,532.81 = 152,305,238.61 : x
2. Step 2: Convert to fraction form
   277,786,062.72/383,309,532.81 = 152,305,238.61/x
3. Step 3: Cross multiply
   277,786,062.72x = 383,309,532.81 × 152,305,238.61
4. Step 4: Simplify right side
   277,786,062.72x = 58,380,049,856,114,680
5. Step 5: Solve for x
   x = 58,380,049,856,114,680/277,786,062.72
6. Step 6: Final answer
   x = 210,161,911.24