Finding the Fourth Proportional to 522,130.50, 783,196.34 and 143,054.52

Step by Step Solution

1. Step 1: Write the proportion equation
   522,130.50 : 783,196.34 = 143,054.52 : x
2. Step 2: Convert to fraction form
   522,130.50/783,196.34 = 143,054.52/x
3. Step 3: Cross multiply
   522,130.50x = 783,196.34 × 143,054.52
4. Step 4: Simplify right side
   522,130.50x = 112,039,776,484.46
5. Step 5: Solve for x
   x = 112,039,776,484.46/522,130.50
6. Step 6: Final answer
   x = 214,581.94