Finding the Fourth Proportional to 279,446.42, 418,916.83 and 101,911.83

Step by Step Solution

1. Step 1: Write the proportion equation
   279,446.42 : 418,916.83 = 101,911.83 : x
2. Step 2: Convert to fraction form
   279,446.42/418,916.83 = 101,911.83/x
3. Step 3: Cross multiply
   279,446.42x = 418,916.83 × 101,911.83
4. Step 4: Simplify right side
   279,446.42x = 42,692,580,508.32
5. Step 5: Solve for x
   x = 42,692,580,508.32/279,446.42
6. Step 6: Final answer
   x = 152,775.55