Finding the Fourth Proportional to 102,662, 141,673.56 and 55,558

Step by Step Solution

1. Step 1: Write the proportion equation
   102,662 : 141,673.56 = 55,558 : x
2. Step 2: Convert to fraction form
   102,662/141,673.56 = 55,558/x
3. Step 3: Cross multiply
   102,662x = 141,673.56 × 55,558
4. Step 4: Simplify right side
   102,662x = 7,871,099,646.48
5. Step 5: Solve for x
   x = 7,871,099,646.48/102,662
6. Step 6: Final answer
   x = 76,670.04