Finding the Fourth Proportional to 42,139,395.84, 63,209,175.06 and 16,243,891.68

Step by Step Solution

1. Step 1: Write the proportion equation
   42,139,395.84 : 63,209,175.06 = 16,243,891.68 : x
2. Step 2: Convert to fraction form
   42,139,395.84/63,209,175.06 = 16,243,891.68/x
3. Step 3: Cross multiply
   42,139,395.84x = 63,209,175.06 × 16,243,891.68
4. Step 4: Simplify right side
   42,139,395.84x = 1,026,762,992,856,797.50
5. Step 5: Solve for x
   x = 1,026,762,992,856,797.50/42,139,395.84
6. Step 6: Final answer
   x = 24,365,868.86