Finding the Fourth Proportional to 259,024.56, 388,264.68 and 118,667.76

Step by Step Solution

1. Step 1: Write the proportion equation
   259,024.56 : 388,264.68 = 118,667.76 : x
2. Step 2: Convert to fraction form
   259,024.56/388,264.68 = 118,667.76/x
3. Step 3: Cross multiply
   259,024.56x = 388,264.68 × 118,667.76
4. Step 4: Simplify right side
   259,024.56x = 46,074,499,862.72
5. Step 5: Solve for x
   x = 46,074,499,862.72/259,024.56
6. Step 6: Final answer
   x = 177,876.95