Finding the Fourth Proportional to 156,145, 234,223.98 and 45,337

Step by Step Solution

1. Step 1: Write the proportion equation
   156,145 : 234,223.98 = 45,337 : x
2. Step 2: Convert to fraction form
   156,145/234,223.98 = 45,337/x
3. Step 3: Cross multiply
   156,145x = 234,223.98 × 45,337
4. Step 4: Simplify right side
   156,145x = 10,619,012,581.26
5. Step 5: Solve for x
   x = 10,619,012,581.26/156,145
6. Step 6: Final answer
   x = 68,007.38