Finding the Fourth Proportional to 53,561.89, 73,914.15 and 30,900.93

Step by Step Solution

1. Step 1: Write the proportion equation
   53,561.89 : 73,914.15 = 30,900.93 : x
2. Step 2: Convert to fraction form
   53,561.89/73,914.15 = 30,900.93/x
3. Step 3: Cross multiply
   53,561.89x = 73,914.15 × 30,900.93
4. Step 4: Simplify right side
   53,561.89x = 2,284,015,975.16
5. Step 5: Solve for x
   x = 2,284,015,975.16/53,561.89
6. Step 6: Final answer
   x = 42,642.56