Finding the Fourth Proportional to 106,156,587.33, 146,370,739.55 and 72,682,298.73

Step by Step Solution

1. Step 1: Write the proportion equation
   106,156,587.33 : 146,370,739.55 = 72,682,298.73 : x
2. Step 2: Convert to fraction form
   106,156,587.33/146,370,739.55 = 72,682,298.73/x
3. Step 3: Cross multiply
   106,156,587.33x = 146,370,739.55 × 72,682,298.73
4. Step 4: Simplify right side
   106,156,587.33x = 10,638,561,816,940,714
5. Step 5: Solve for x
   x = 10,638,561,816,940,714/106,156,587.33
6. Step 6: Final answer
   x = 100,215,748.12