Finding the Fourth Proportional to 74,647.98, 103,021.47 and 55,752.30

Step by Step Solution

1. Step 1: Write the proportion equation
   74,647.98 : 103,021.47 = 55,752.30 : x
2. Step 2: Convert to fraction form
   74,647.98/103,021.47 = 55,752.30/x
3. Step 3: Cross multiply
   74,647.98x = 103,021.47 × 55,752.30
4. Step 4: Simplify right side
   74,647.98x = 5,743,683,901.88
5. Step 5: Solve for x
   x = 5,743,683,901.88/74,647.98
6. Step 6: Final answer
   x = 76,943.59