Finding the Fourth Proportional to 143,074.49, 214,656.83 and 89,803.52

Step by Step Solution

1. Step 1: Write the proportion equation
   143,074.49 : 214,656.83 = 89,803.52 : x
2. Step 2: Convert to fraction form
   143,074.49/214,656.83 = 89,803.52/x
3. Step 3: Cross multiply
   143,074.49x = 214,656.83 × 89,803.52
4. Step 4: Simplify right side
   143,074.49x = 19,276,937,852.76
5. Step 5: Solve for x
   x = 19,276,937,852.76/143,074.49
6. Step 6: Final answer
   x = 134,733.58