Finding the Fourth Proportional to 205,041.32, 307,665.71 and 138,341.27

Step by Step Solution

1. Step 1: Write the proportion equation
   205,041.32 : 307,665.71 = 138,341.27 : x
2. Step 2: Convert to fraction form
   205,041.32/307,665.71 = 138,341.27/x
3. Step 3: Cross multiply
   205,041.32x = 307,665.71 × 138,341.27
4. Step 4: Simplify right side
   205,041.32x = 42,562,862,826.82
5. Step 5: Solve for x
   x = 42,562,862,826.82/205,041.32
6. Step 6: Final answer
   x = 207,581.89