Finding the Fourth Proportional to 103,441, 142,748.60 and 58,729

Step by Step Solution

1. Step 1: Write the proportion equation
   103,441 : 142,748.60 = 58,729 : x
2. Step 2: Convert to fraction form
   103,441/142,748.60 = 58,729/x
3. Step 3: Cross multiply
   103,441x = 142,748.60 × 58,729
4. Step 4: Simplify right side
   103,441x = 8,383,482,529.40
5. Step 5: Solve for x
   x = 8,383,482,529.40/103,441
6. Step 6: Final answer
   x = 81,046.03