Finding the Fourth Proportional to 42,670,061.72, 63,979,173.88 and 16,731,286.49

Step by Step Solution

1. Step 1: Write the proportion equation
   42,670,061.72 : 63,979,173.88 = 16,731,286.49 : x
2. Step 2: Convert to fraction form
   42,670,061.72/63,979,173.88 = 16,731,286.49/x
3. Step 3: Cross multiply
   42,670,061.72x = 63,979,173.88 × 16,731,286.49
4. Step 4: Simplify right side
   42,670,061.72x = 1,070,453,887,697,924.50
5. Step 5: Solve for x
   x = 1,070,453,887,697,924.50/42,670,061.72
6. Step 6: Final answer
   x = 25,086,766.80