Finding the Fourth Proportional to 113,607.63, 156,760.02 and 65,851.65

Step by Step Solution

1. Step 1: Write the proportion equation
   113,607.63 : 156,760.02 = 65,851.65 : x
2. Step 2: Convert to fraction form
   113,607.63/156,760.02 = 65,851.65/x
3. Step 3: Cross multiply
   113,607.63x = 156,760.02 × 65,851.65
4. Step 4: Simplify right side
   113,607.63x = 10,322,905,971.03
5. Step 5: Solve for x
   x = 10,322,905,971.03/113,607.63
6. Step 6: Final answer
   x = 90,864.55