Finding the Fourth Proportional to 101,308.35, 151,826.69 and 78,846.16

Step by Step Solution

1. Step 1: Write the proportion equation
   101,308.35 : 151,826.69 = 78,846.16 : x
2. Step 2: Convert to fraction form
   101,308.35/151,826.69 = 78,846.16/x
3. Step 3: Cross multiply
   101,308.35x = 151,826.69 × 78,846.16
4. Step 4: Simplify right side
   101,308.35x = 11,970,951,492.01
5. Step 5: Solve for x
   x = 11,970,951,492.01/101,308.35
6. Step 6: Final answer
   x = 118,163.52