Finding the Fourth Proportional to 279,826.52, 386,150.82 and 152,499.56

Step by Step Solution

1. Step 1: Write the proportion equation
   279,826.52 : 386,150.82 = 152,499.56 : x
2. Step 2: Convert to fraction form
   279,826.52/386,150.82 = 152,499.56/x
3. Step 3: Cross multiply
   279,826.52x = 386,150.82 × 152,499.56
4. Step 4: Simplify right side
   279,826.52x = 58,887,830,143.64
5. Step 5: Solve for x
   x = 58,887,830,143.64/279,826.52
6. Step 6: Final answer
   x = 210,444.06