Finding the Fourth Proportional to 42,139,387.36, 63,209,162.35 and 16,243,883.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,139,387.36 : 63,209,162.35 = 16,243,883.20 : x
2. Step 2: Convert to fraction form
   42,139,387.36/63,209,162.35 = 16,243,883.20/x
3. Step 3: Cross multiply
   42,139,387.36x = 63,209,162.35 × 16,243,883.20
4. Step 4: Simplify right side
   42,139,387.36x = 1,026,762,250,245,519.50
5. Step 5: Solve for x
   x = 1,026,762,250,245,519.50/42,139,387.36
6. Step 6: Final answer
   x = 24,365,856.14