Finding the Fourth Proportional to 53,275.56, 79,927.18 and 43,803.49

Step by Step Solution

1. Step 1: Write the proportion equation
   53,275.56 : 79,927.18 = 43,803.49 : x
2. Step 2: Convert to fraction form
   53,275.56/79,927.18 = 43,803.49/x
3. Step 3: Cross multiply
   53,275.56x = 79,927.18 × 43,803.49
4. Step 4: Simplify right side
   53,275.56x = 3,501,089,429.86
5. Step 5: Solve for x
   x = 3,501,089,429.86/53,275.56
6. Step 6: Final answer
   x = 65,716.61