Finding the Fourth Proportional to 113,144.25, 156,127.32 and 65,412.84

Step by Step Solution

1. Step 1: Write the proportion equation
   113,144.25 : 156,127.32 = 65,412.84 : x
2. Step 2: Convert to fraction form
   113,144.25/156,127.32 = 65,412.84/x
3. Step 3: Cross multiply
   113,144.25x = 156,127.32 × 65,412.84
4. Step 4: Simplify right side
   113,144.25x = 10,212,731,402.79
5. Step 5: Solve for x
   x = 10,212,731,402.79/113,144.25
6. Step 6: Final answer
   x = 90,262.93