Finding the Fourth Proportional to 113,667.30, 156,860.55 and 65,948.58

Step by Step Solution

1. Step 1: Write the proportion equation
   113,667.30 : 156,860.55 = 65,948.58 : x
2. Step 2: Convert to fraction form
   113,667.30/156,860.55 = 65,948.58/x
3. Step 3: Cross multiply
   113,667.30x = 156,860.55 × 65,948.58
4. Step 4: Simplify right side
   113,667.30x = 10,344,730,530.52
5. Step 5: Solve for x
   x = 10,344,730,530.52/113,667.30
6. Step 6: Final answer
   x = 91,008.85