Finding the Fourth Proportional to 42,203,014.39, 63,303,340.56 and 13,450,875.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,203,014.39 : 63,303,340.56 = 13,450,875.31 : x
2. Step 2: Convert to fraction form
   42,203,014.39/63,303,340.56 = 13,450,875.31/x
3. Step 3: Cross multiply
   42,203,014.39x = 63,303,340.56 × 13,450,875.31
4. Step 4: Simplify right side
   42,203,014.39x = 851,485,340,579,025.62
5. Step 5: Solve for x
   x = 851,485,340,579,025.62/42,203,014.39
6. Step 6: Final answer
   x = 20,175,936.55