Finding the Fourth Proportional to 184,605, 254,754.90 and 99,722.07

Step by Step Solution

1. Step 1: Write the proportion equation
   184,605 : 254,754.90 = 99,722.07 : x
2. Step 2: Convert to fraction form
   184,605/254,754.90 = 99,722.07/x
3. Step 3: Cross multiply
   184,605x = 254,754.90 × 99,722.07
4. Step 4: Simplify right side
   184,605x = 25,404,685,970.64
5. Step 5: Solve for x
   x = 25,404,685,970.64/184,605
6. Step 6: Final answer
   x = 137,616.46