Finding the Fourth Proportional to 123,810.62, 185,821.98 and 122,878.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,810.62 : 185,821.98 = 122,878.72 : x
2. Step 2: Convert to fraction form
   123,810.62/185,821.98 = 122,878.72/x
3. Step 3: Cross multiply
   123,810.62x = 185,821.98 × 122,878.72
4. Step 4: Simplify right side
   123,810.62x = 22,833,567,050.27
5. Step 5: Solve for x
   x = 22,833,567,050.27/123,810.62
6. Step 6: Final answer
   x = 184,423.33