Finding the Fourth Proportional to 82,967,028.10, 124,562,516.55 and 65,946,919.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,967,028.10 : 124,562,516.55 = 65,946,919.30 : x
2. Step 2: Convert to fraction form
   82,967,028.10/124,562,516.55 = 65,946,919.30/x
3. Step 3: Cross multiply
   82,967,028.10x = 124,562,516.55 × 65,946,919.30
4. Step 4: Simplify right side
   82,967,028.10x = 8,214,514,226,727,764
5. Step 5: Solve for x
   x = 8,214,514,226,727,764/82,967,028.10
6. Step 6: Final answer
   x = 99,009,382.58