Finding the Fourth Proportional to 82,406.17, 123,482.03 and 55,647.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,406.17 : 123,482.03 = 55,647.30 : x
2. Step 2: Convert to fraction form
   82,406.17/123,482.03 = 55,647.30/x
3. Step 3: Cross multiply
   82,406.17x = 123,482.03 × 55,647.30
4. Step 4: Simplify right side
   82,406.17x = 6,871,440,950.61
5. Step 5: Solve for x
   x = 6,871,440,950.61/82,406.17
6. Step 6: Final answer
   x = 83,385.03