Finding the Fourth Proportional to 177,085.08, 265,667.70 and 64,764.78

Step by Step Solution

1. Step 1: Write the proportion equation
   177,085.08 : 265,667.70 = 64,764.78 : x
2. Step 2: Convert to fraction form
   177,085.08/265,667.70 = 64,764.78/x
3. Step 3: Cross multiply
   177,085.08x = 265,667.70 × 64,764.78
4. Step 4: Simplify right side
   177,085.08x = 17,205,910,143.61
5. Step 5: Solve for x
   x = 17,205,910,143.61/177,085.08
6. Step 6: Final answer
   x = 97,161.83