Finding the Fourth Proportional to 82,967,026.10, 124,562,513.55 and 65,946,917.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,967,026.10 : 124,562,513.55 = 65,946,917.30 : x
2. Step 2: Convert to fraction form
   82,967,026.10/124,562,513.55 = 65,946,917.30/x
3. Step 3: Cross multiply
   82,967,026.10x = 124,562,513.55 × 65,946,917.30
4. Step 4: Simplify right side
   82,967,026.10x = 8,214,513,779,761,979
5. Step 5: Solve for x
   x = 8,214,513,779,761,979/82,967,026.10
6. Step 6: Final answer
   x = 99,009,379.58