Finding the Fourth Proportional to 71,813.32, 107,624.94 and 55,109.52

Step by Step Solution

1. Step 1: Write the proportion equation
   71,813.32 : 107,624.94 = 55,109.52 : x
2. Step 2: Convert to fraction form
   71,813.32/107,624.94 = 55,109.52/x
3. Step 3: Cross multiply
   71,813.32x = 107,624.94 × 55,109.52
4. Step 4: Simplify right side
   71,813.32x = 5,931,158,783.43
5. Step 5: Solve for x
   x = 5,931,158,783.43/71,813.32
6. Step 6: Final answer
   x = 82,591.35