Finding the Fourth Proportional to 102,018, 153,035.82 and 28,146

Step by Step Solution

1. Step 1: Write the proportion equation
   102,018 : 153,035.82 = 28,146 : x
2. Step 2: Convert to fraction form
   102,018/153,035.82 = 28,146/x
3. Step 3: Cross multiply
   102,018x = 153,035.82 × 28,146
4. Step 4: Simplify right side
   102,018x = 4,307,346,189.72
5. Step 5: Solve for x
   x = 4,307,346,189.72/102,018
6. Step 6: Final answer
   x = 42,221.43