Finding the Fourth Proportional to 300,932,877.24, 413,814,722.37 and 261,171,377.67

Step by Step Solution

1. Step 1: Write the proportion equation
   300,932,877.24 : 413,814,722.37 = 261,171,377.67 : x
2. Step 2: Convert to fraction form
   300,932,877.24/413,814,722.37 = 261,171,377.67/x
3. Step 3: Cross multiply
   300,932,877.24x = 413,814,722.37 × 261,171,377.67
4. Step 4: Simplify right side
   300,932,877.24x = 108,076,561,141,501,456
5. Step 5: Solve for x
   x = 108,076,561,141,501,456/300,932,877.24
6. Step 6: Final answer
   x = 359,138,430.25