Finding the Fourth Proportional to 148,287.52, 223,443.18 and 122,568.40

Step by Step Solution

1. Step 1: Write the proportion equation
   148,287.52 : 223,443.18 = 122,568.40 : x
2. Step 2: Convert to fraction form
   148,287.52/223,443.18 = 122,568.40/x
3. Step 3: Cross multiply
   148,287.52x = 223,443.18 × 122,568.40
4. Step 4: Simplify right side
   148,287.52x = 27,387,072,099.51
5. Step 5: Solve for x
   x = 27,387,072,099.51/148,287.52
6. Step 6: Final answer
   x = 184,688.99