Finding the Fourth Proportional to 356,973.50, 535,510.35 and 104,272.53

Step by Step Solution

1. Step 1: Write the proportion equation
   356,973.50 : 535,510.35 = 104,272.53 : x
2. Step 2: Convert to fraction form
   356,973.50/535,510.35 = 104,272.53/x
3. Step 3: Cross multiply
   356,973.50x = 535,510.35 × 104,272.53
4. Step 4: Simplify right side
   356,973.50x = 55,839,019,035.69
5. Step 5: Solve for x
   x = 55,839,019,035.69/356,973.50
6. Step 6: Final answer
   x = 156,423.43