Finding the Fourth Proportional to 16,688,116.84, 25,031,964.06 and 5,328,421.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,688,116.84 : 25,031,964.06 = 5,328,421.48 : x
2. Step 2: Convert to fraction form
   16,688,116.84/25,031,964.06 = 5,328,421.48/x
3. Step 3: Cross multiply
   16,688,116.84x = 25,031,964.06 × 5,328,421.48
4. Step 4: Simplify right side
   16,688,116.84x = 133,380,854,983,892.02
5. Step 5: Solve for x
   x = 133,380,854,983,892.02/16,688,116.84
6. Step 6: Final answer
   x = 7,992,564.79