Finding the Fourth Proportional to 265,856.85, 366,913.98 and 151,152.78

Step by Step Solution

1. Step 1: Write the proportion equation
   265,856.85 : 366,913.98 = 151,152.78 : x
2. Step 2: Convert to fraction form
   265,856.85/366,913.98 = 151,152.78/x
3. Step 3: Cross multiply
   265,856.85x = 366,913.98 × 151,152.78
4. Step 4: Simplify right side
   265,856.85x = 55,460,068,097.86
5. Step 5: Solve for x
   x = 55,460,068,097.86/265,856.85
6. Step 6: Final answer
   x = 208,608.76