Finding the Fourth Proportional to 114,947.31, 158,625.75 and 64,646.31

Step by Step Solution

1. Step 1: Write the proportion equation
   114,947.31 : 158,625.75 = 64,646.31 : x
2. Step 2: Convert to fraction form
   114,947.31/158,625.75 = 64,646.31/x
3. Step 3: Cross multiply
   114,947.31x = 158,625.75 × 64,646.31
4. Step 4: Simplify right side
   114,947.31x = 10,254,569,408.48
5. Step 5: Solve for x
   x = 10,254,569,408.48/114,947.31
6. Step 6: Final answer
   x = 89,211.04