Finding the Fourth Proportional to 156,223, 234,374.46 and 45,415

Step by Step Solution

1. Step 1: Write the proportion equation
   156,223 : 234,374.46 = 45,415 : x
2. Step 2: Convert to fraction form
   156,223/234,374.46 = 45,415/x
3. Step 3: Cross multiply
   156,223x = 234,374.46 × 45,415
4. Step 4: Simplify right side
   156,223x = 10,644,116,100.90
5. Step 5: Solve for x
   x = 10,644,116,100.90/156,223
6. Step 6: Final answer
   x = 68,134.12