Finding the Fourth Proportional to 143,599.84, 215,443.72 and 73,528.72

Step by Step Solution

1. Step 1: Write the proportion equation
   143,599.84 : 215,443.72 = 73,528.72 : x
2. Step 2: Convert to fraction form
   143,599.84/215,443.72 = 73,528.72/x
3. Step 3: Cross multiply
   143,599.84x = 215,443.72 × 73,528.72
4. Step 4: Simplify right side
   143,599.84x = 15,841,300,963.64
5. Step 5: Solve for x
   x = 15,841,300,963.64/143,599.84
6. Step 6: Final answer
   x = 110,315.59