Finding the Fourth Proportional to 101,025.25, 151,308.49 and 78,353.93

Step by Step Solution

1. Step 1: Write the proportion equation
   101,025.25 : 151,308.49 = 78,353.93 : x
2. Step 2: Convert to fraction form
   101,025.25/151,308.49 = 78,353.93/x
3. Step 3: Cross multiply
   101,025.25x = 151,308.49 × 78,353.93
4. Step 4: Simplify right side
   101,025.25x = 11,855,615,016.25
5. Step 5: Solve for x
   x = 11,855,615,016.25/101,025.25
6. Step 6: Final answer
   x = 117,352.99