Finding the Fourth Proportional to 72,065.75, 99,483.90 and 54,166.52

Step by Step Solution

1. Step 1: Write the proportion equation
   72,065.75 : 99,483.90 = 54,166.52 : x
2. Step 2: Convert to fraction form
   72,065.75/99,483.90 = 54,166.52/x
3. Step 3: Cross multiply
   72,065.75x = 99,483.90 × 54,166.52
4. Step 4: Simplify right side
   72,065.75x = 5,388,696,704.61
5. Step 5: Solve for x
   x = 5,388,696,704.61/72,065.75
6. Step 6: Final answer
   x = 74,774.73