Finding the Fourth Proportional to 152,307.41, 228,507.82 and 68,138.42

Step by Step Solution

1. Step 1: Write the proportion equation
   152,307.41 : 228,507.82 = 68,138.42 : x
2. Step 2: Convert to fraction form
   152,307.41/228,507.82 = 68,138.42/x
3. Step 3: Cross multiply
   152,307.41x = 228,507.82 × 68,138.42
4. Step 4: Simplify right side
   152,307.41x = 15,570,160,499.56
5. Step 5: Solve for x
   x = 15,570,160,499.56/152,307.41
6. Step 6: Final answer
   x = 102,228.52