Finding the Fourth Proportional to 113,238.10, 169,856.54 and 28,998.10

Step by Step Solution

1. Step 1: Write the proportion equation
   113,238.10 : 169,856.54 = 28,998.10 : x
2. Step 2: Convert to fraction form
   113,238.10/169,856.54 = 28,998.10/x
3. Step 3: Cross multiply
   113,238.10x = 169,856.54 × 28,998.10
4. Step 4: Simplify right side
   113,238.10x = 4,925,516,932.57
5. Step 5: Solve for x
   x = 4,925,516,932.57/113,238.10
6. Step 6: Final answer
   x = 43,496.99