Finding the Fourth Proportional to 42,203,009.87, 63,303,333.82 and 13,450,870.79

Step by Step Solution

1. Step 1: Write the proportion equation
   42,203,009.87 : 63,303,333.82 = 13,450,870.79 : x
2. Step 2: Convert to fraction form
   42,203,009.87/63,303,333.82 = 13,450,870.79/x
3. Step 3: Cross multiply
   42,203,009.87x = 63,303,333.82 × 13,450,870.79
4. Step 4: Simplify right side
   42,203,009.87x = 851,484,963,789,057.12
5. Step 5: Solve for x
   x = 851,484,963,789,057.12/42,203,009.87
6. Step 6: Final answer
   x = 20,175,929.78