Finding the Fourth Proportional to 121,300.67, 181,978.70 and 37,072.82

Step by Step Solution

1. Step 1: Write the proportion equation
   121,300.67 : 181,978.70 = 37,072.82 : x
2. Step 2: Convert to fraction form
   121,300.67/181,978.70 = 37,072.82/x
3. Step 3: Cross multiply
   121,300.67x = 181,978.70 × 37,072.82
4. Step 4: Simplify right side
   121,300.67x = 6,746,463,588.93
5. Step 5: Solve for x
   x = 6,746,463,588.93/121,300.67
6. Step 6: Final answer
   x = 55,617.69