Finding the Fourth Proportional to 308,856,388.32, 463,143,143.52 and 184,415,508.72

Step by Step Solution

1. Step 1: Write the proportion equation
   308,856,388.32 : 463,143,143.52 = 184,415,508.72 : x
2. Step 2: Convert to fraction form
   308,856,388.32/463,143,143.52 = 184,415,508.72/x
3. Step 3: Cross multiply
   308,856,388.32x = 463,143,143.52 × 184,415,508.72
4. Step 4: Simplify right side
   308,856,388.32x = 85,410,778,422,420,768
5. Step 5: Solve for x
   x = 85,410,778,422,420,768/308,856,388.32
6. Step 6: Final answer
   x = 276,538,811.09