Finding the Fourth Proportional to 404,141,047.34, 557,714,756.42 and 223,088,138.78

Step by Step Solution

1. Step 1: Write the proportion equation
   404,141,047.34 : 557,714,756.42 = 223,088,138.78 : x
2. Step 2: Convert to fraction form
   404,141,047.34/557,714,756.42 = 223,088,138.78/x
3. Step 3: Cross multiply
   404,141,047.34x = 557,714,756.42 × 223,088,138.78
4. Step 4: Simplify right side
   404,141,047.34x = 124,419,546,979,878,848
5. Step 5: Solve for x
   x = 124,419,546,979,878,848/404,141,047.34
6. Step 6: Final answer
   x = 307,861,692.84