Finding the Fourth Proportional to 53,465.89, 73,788.42 and 30,805.74

Step by Step Solution

1. Step 1: Write the proportion equation
   53,465.89 : 73,788.42 = 30,805.74 : x
2. Step 2: Convert to fraction form
   53,465.89/73,788.42 = 30,805.74/x
3. Step 3: Cross multiply
   53,465.89x = 73,788.42 × 30,805.74
4. Step 4: Simplify right side
   53,465.89x = 2,273,106,881.53
5. Step 5: Solve for x
   x = 2,273,106,881.53/53,465.89
6. Step 6: Final answer
   x = 42,515.09