Finding the Fourth Proportional to 71,516.46, 107,274.69 and 55,733.30

Step by Step Solution

1. Step 1: Write the proportion equation
   71,516.46 : 107,274.69 = 55,733.30 : x
2. Step 2: Convert to fraction form
   71,516.46/107,274.69 = 55,733.30/x
3. Step 3: Cross multiply
   71,516.46x = 107,274.69 × 55,733.30
4. Step 4: Simplify right side
   71,516.46x = 5,978,772,213.59
5. Step 5: Solve for x
   x = 5,978,772,213.59/71,516.46
6. Step 6: Final answer
   x = 83,599.95