Finding the Fourth Proportional to 101,504.48, 140,072.61 and 56,182.55

Step by Step Solution

1. Step 1: Write the proportion equation
   101,504.48 : 140,072.61 = 56,182.55 : x
2. Step 2: Convert to fraction form
   101,504.48/140,072.61 = 56,182.55/x
3. Step 3: Cross multiply
   101,504.48x = 140,072.61 × 56,182.55
4. Step 4: Simplify right side
   101,504.48x = 7,869,636,975.82
5. Step 5: Solve for x
   x = 7,869,636,975.82/101,504.48
6. Step 6: Final answer
   x = 77,529.95