Finding the Fourth Proportional to 305,552,061.37, 421,672,029.83 and 171,613,580.88

Step by Step Solution

1. Step 1: Write the proportion equation
   305,552,061.37 : 421,672,029.83 = 171,613,580.88 : x
2. Step 2: Convert to fraction form
   305,552,061.37/421,672,029.83 = 171,613,580.88/x
3. Step 3: Cross multiply
   305,552,061.37x = 421,672,029.83 × 171,613,580.88
4. Step 4: Simplify right side
   305,552,061.37x = 72,364,646,997,431,232
5. Step 5: Solve for x
   x = 72,364,646,997,431,232/305,552,061.37
6. Step 6: Final answer
   x = 236,832,462.11