Finding the Fourth Proportional to 53,499.42, 73,780.47 and 45,943.38

Step by Step Solution

1. Step 1: Write the proportion equation
   53,499.42 : 73,780.47 = 45,943.38 : x
2. Step 2: Convert to fraction form
   53,499.42/73,780.47 = 45,943.38/x
3. Step 3: Cross multiply
   53,499.42x = 73,780.47 × 45,943.38
4. Step 4: Simplify right side
   53,499.42x = 3,389,724,169.79
5. Step 5: Solve for x
   x = 3,389,724,169.79/53,499.42
6. Step 6: Final answer
   x = 63,360.02