Finding the Fourth Proportional to 42,553,546.83, 63,839,287.62 and 13,797,440.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,553,546.83 : 63,839,287.62 = 13,797,440.10 : x
2. Step 2: Convert to fraction form
   42,553,546.83/63,839,287.62 = 13,797,440.10/x
3. Step 3: Cross multiply
   42,553,546.83x = 63,839,287.62 × 13,797,440.10
4. Step 4: Simplify right side
   42,553,546.83x = 880,818,746,963,621.50
5. Step 5: Solve for x
   x = 880,818,746,963,621.50/42,553,546.83
6. Step 6: Final answer
   x = 20,699,067.71