Finding the Fourth Proportional to 123,734.10, 185,601.15 and 102,998.10

Step by Step Solution

1. Step 1: Write the proportion equation
   123,734.10 : 185,601.15 = 102,998.10 : x
2. Step 2: Convert to fraction form
   123,734.10/185,601.15 = 102,998.10/x
3. Step 3: Cross multiply
   123,734.10x = 185,601.15 × 102,998.10
4. Step 4: Simplify right side
   123,734.10x = 19,116,565,807.82
5. Step 5: Solve for x
   x = 19,116,565,807.82/123,734.10
6. Step 6: Final answer
   x = 154,497.15