Finding the Fourth Proportional to 68,505.52, 102,756.72 and 31,569.52

Step by Step Solution

1. Step 1: Write the proportion equation
   68,505.52 : 102,756.72 = 31,569.52 : x
2. Step 2: Convert to fraction form
   68,505.52/102,756.72 = 31,569.52/x
3. Step 3: Cross multiply
   68,505.52x = 102,756.72 × 31,569.52
4. Step 4: Simplify right side
   68,505.52x = 3,243,980,327.17
5. Step 5: Solve for x
   x = 3,243,980,327.17/68,505.52
6. Step 6: Final answer
   x = 47,353.56