Finding the Fourth Proportional to 30,499,151.76, 42,087,680.06 and 16,560,205.61

Step by Step Solution

1. Step 1: Write the proportion equation
   30,499,151.76 : 42,087,680.06 = 16,560,205.61 : x
2. Step 2: Convert to fraction form
   30,499,151.76/42,087,680.06 = 16,560,205.61/x
3. Step 3: Cross multiply
   30,499,151.76x = 42,087,680.06 × 16,560,205.61
4. Step 4: Simplify right side
   30,499,151.76x = 696,980,635,148,257.75
5. Step 5: Solve for x
   x = 696,980,635,148,257.75/30,499,151.76
6. Step 6: Final answer
   x = 22,852,459.66