Finding the Fourth Proportional to 112,858.02, 155,738.07 and 65,108.52

Step by Step Solution

1. Step 1: Write the proportion equation
   112,858.02 : 155,738.07 = 65,108.52 : x
2. Step 2: Convert to fraction form
   112,858.02/155,738.07 = 65,108.52/x
3. Step 3: Cross multiply
   112,858.02x = 155,738.07 × 65,108.52
4. Step 4: Simplify right side
   112,858.02x = 10,139,875,245.36
5. Step 5: Solve for x
   x = 10,139,875,245.36/112,858.02
6. Step 6: Final answer
   x = 89,846.30