Finding the Fourth Proportional to 218,492.72, 301,548.70 and 123,018.02

Step by Step Solution

1. Step 1: Write the proportion equation
   218,492.72 : 301,548.70 = 123,018.02 : x
2. Step 2: Convert to fraction form
   218,492.72/301,548.70 = 123,018.02/x
3. Step 3: Cross multiply
   218,492.72x = 301,548.70 × 123,018.02
4. Step 4: Simplify right side
   218,492.72x = 37,095,925,134.63
5. Step 5: Solve for x
   x = 37,095,925,134.63/218,492.72
6. Step 6: Final answer
   x = 169,781.05