Finding the Fourth Proportional to 194,029.86, 291,105.54 and 123,393

Step by Step Solution

1. Step 1: Write the proportion equation
   194,029.86 : 291,105.54 = 123,393 : x
2. Step 2: Convert to fraction form
   194,029.86/291,105.54 = 123,393/x
3. Step 3: Cross multiply
   194,029.86x = 291,105.54 × 123,393
4. Step 4: Simplify right side
   194,029.86x = 35,920,385,897.22
5. Step 5: Solve for x
   x = 35,920,385,897.22/194,029.86
6. Step 6: Final answer
   x = 185,128.13