Finding the Fourth Proportional to 82,829,274.10, 124,243,911.15 and 82,325,389.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,829,274.10 : 124,243,911.15 = 82,325,389.30 : x
2. Step 2: Convert to fraction form
   82,829,274.10/124,243,911.15 = 82,325,389.30/x
3. Step 3: Cross multiply
   82,829,274.10x = 124,243,911.15 × 82,325,389.30
4. Step 4: Simplify right side
   82,829,274.10x = 10,228,428,353,578,360
5. Step 5: Solve for x
   x = 10,228,428,353,578,360/82,829,274.10
6. Step 6: Final answer
   x = 123,488,083.95