Finding the Fourth Proportional to 113,146.06, 156,106.41 and 65,381.98

Step by Step Solution

1. Step 1: Write the proportion equation
   113,146.06 : 156,106.41 = 65,381.98 : x
2. Step 2: Convert to fraction form
   113,146.06/156,106.41 = 65,381.98/x
3. Step 3: Cross multiply
   113,146.06x = 156,106.41 × 65,381.98
4. Step 4: Simplify right side
   113,146.06x = 10,206,546,176.49
5. Step 5: Solve for x
   x = 10,206,546,176.49/113,146.06
6. Step 6: Final answer
   x = 90,206.82