Finding the Fourth Proportional to 156,283, 234,463.38 and 45,475

Step by Step Solution

1. Step 1: Write the proportion equation
   156,283 : 234,463.38 = 45,475 : x
2. Step 2: Convert to fraction form
   156,283/234,463.38 = 45,475/x
3. Step 3: Cross multiply
   156,283x = 234,463.38 × 45,475
4. Step 4: Simplify right side
   156,283x = 10,662,222,205.50
5. Step 5: Solve for x
   x = 10,662,222,205.50/156,283
6. Step 6: Final answer
   x = 68,223.81