Finding the Fourth Proportional to 123,156.80, 184,273.89 and 87,700.07

Step by Step Solution

1. Step 1: Write the proportion equation
   123,156.80 : 184,273.89 = 87,700.07 : x
2. Step 2: Convert to fraction form
   123,156.80/184,273.89 = 87,700.07/x
3. Step 3: Cross multiply
   123,156.80x = 184,273.89 × 87,700.07
4. Step 4: Simplify right side
   123,156.80x = 16,160,832,147.44
5. Step 5: Solve for x
   x = 16,160,832,147.44/123,156.80
6. Step 6: Final answer
   x = 131,221.59