Finding the Fourth Proportional to 58,748.20, 82,403 and 58,748.20

Step by Step Solution

1. Step 1: Write the proportion equation
   58,748.20 : 82,403 = 58,748.20 : x
2. Step 2: Convert to fraction form
   58,748.20/82,403 = 58,748.20/x
3. Step 3: Cross multiply
   58,748.20x = 82,403 × 58,748.20
4. Step 4: Simplify right side
   58,748.20x = 4,841,027,924.60
5. Step 5: Solve for x
   x = 4,841,027,924.60/58,748.20
6. Step 6: Final answer
   x = 82,403