Finding the Fourth Proportional to 151,298.10, 218,149.20 and 151,298.10

Step by Step Solution

1. Step 1: Write the proportion equation
   151,298.10 : 218,149.20 = 151,298.10 : x
2. Step 2: Convert to fraction form
   151,298.10/218,149.20 = 151,298.10/x
3. Step 3: Cross multiply
   151,298.10x = 218,149.20 × 151,298.10
4. Step 4: Simplify right side
   151,298.10x = 33,005,559,476.52
5. Step 5: Solve for x
   x = 33,005,559,476.52/151,298.10
6. Step 6: Final answer
   x = 218,149.20