Finding the Fourth Proportional to 113,729.04, 156,933.48 and 65,973.12

Step by Step Solution

1. Step 1: Write the proportion equation
   113,729.04 : 156,933.48 = 65,973.12 : x
2. Step 2: Convert to fraction form
   113,729.04/156,933.48 = 65,973.12/x
3. Step 3: Cross multiply
   113,729.04x = 156,933.48 × 65,973.12
4. Step 4: Simplify right side
   113,729.04x = 10,353,391,308.06
5. Step 5: Solve for x
   x = 10,353,391,308.06/113,729.04
6. Step 6: Final answer
   x = 91,035.60