Finding the Fourth Proportional to 13,200,468.42, 19,800,718.42 and 3,615,929.58

Step by Step Solution

1. Step 1: Write the proportion equation
   13,200,468.42 : 19,800,718.42 = 3,615,929.58 : x
2. Step 2: Convert to fraction form
   13,200,468.42/19,800,718.42 = 3,615,929.58/x
3. Step 3: Cross multiply
   13,200,468.42x = 19,800,718.42 × 3,615,929.58
4. Step 4: Simplify right side
   13,200,468.42x = 71,598,003,440,128.88
5. Step 5: Solve for x
   x = 71,598,003,440,128.88/13,200,468.42
6. Step 6: Final answer
   x = 5,423,898.70