Finding the Fourth Proportional to 56,548.56, 78,039.72 and 32,678.40

Step by Step Solution

1. Step 1: Write the proportion equation
   56,548.56 : 78,039.72 = 32,678.40 : x
2. Step 2: Convert to fraction form
   56,548.56/78,039.72 = 32,678.40/x
3. Step 3: Cross multiply
   56,548.56x = 78,039.72 × 32,678.40
4. Step 4: Simplify right side
   56,548.56x = 2,550,213,186.05
5. Step 5: Solve for x
   x = 2,550,213,186.05/56,548.56
6. Step 6: Final answer
   x = 45,097.76