Finding the Fourth Proportional to 101,856.48, 152,786.64 and 35,298.78

Step by Step Solution

1. Step 1: Write the proportion equation
   101,856.48 : 152,786.64 = 35,298.78 : x
2. Step 2: Convert to fraction form
   101,856.48/152,786.64 = 35,298.78/x
3. Step 3: Cross multiply
   101,856.48x = 152,786.64 × 35,298.78
4. Step 4: Simplify right side
   101,856.48x = 5,393,181,992.30
5. Step 5: Solve for x
   x = 5,393,181,992.30/101,856.48
6. Step 6: Final answer
   x = 52,948.84