Finding the Fourth Proportional to 291,651.89, 437,650.06 and 123,161.31

Step by Step Solution

1. Step 1: Write the proportion equation
   291,651.89 : 437,650.06 = 123,161.31 : x
2. Step 2: Convert to fraction form
   291,651.89/437,650.06 = 123,161.31/x
3. Step 3: Cross multiply
   291,651.89x = 437,650.06 × 123,161.31
4. Step 4: Simplify right side
   291,651.89x = 53,901,554,980.59
5. Step 5: Solve for x
   x = 53,901,554,980.59/291,651.89
6. Step 6: Final answer
   x = 184,814.69