Finding the Fourth Proportional to 71,814.82, 107,627.19 and 55,111.02

Step by Step Solution

1. Step 1: Write the proportion equation
   71,814.82 : 107,627.19 = 55,111.02 : x
2. Step 2: Convert to fraction form
   71,814.82/107,627.19 = 55,111.02/x
3. Step 3: Cross multiply
   71,814.82x = 107,627.19 × 55,111.02
4. Step 4: Simplify right side
   71,814.82x = 5,931,444,220.63
5. Step 5: Solve for x
   x = 5,931,444,220.63/71,814.82
6. Step 6: Final answer
   x = 82,593.60