Finding the Fourth Proportional to 259,950.18, 389,925.30 and 72,956.82

Step by Step Solution

1. Step 1: Write the proportion equation
   259,950.18 : 389,925.30 = 72,956.82 : x
2. Step 2: Convert to fraction form
   259,950.18/389,925.30 = 72,956.82/x
3. Step 3: Cross multiply
   259,950.18x = 389,925.30 × 72,956.82
4. Step 4: Simplify right side
   259,950.18x = 28,447,709,925.55
5. Step 5: Solve for x
   x = 28,447,709,925.55/259,950.18
6. Step 6: Final answer
   x = 109,435.24