Finding the Fourth Proportional to 147,472.67, 203,529.59 and 83,820.03

Step by Step Solution

1. Step 1: Write the proportion equation
   147,472.67 : 203,529.59 = 83,820.03 : x
2. Step 2: Convert to fraction form
   147,472.67/203,529.59 = 83,820.03/x
3. Step 3: Cross multiply
   147,472.67x = 203,529.59 × 83,820.03
4. Step 4: Simplify right side
   147,472.67x = 17,059,856,339.69
5. Step 5: Solve for x
   x = 17,059,856,339.69/147,472.67
6. Step 6: Final answer
   x = 115,681.48