Finding the Fourth Proportional to 42,563,216.34, 63,853,791.30 and 13,807,106.64

Step by Step Solution

1. Step 1: Write the proportion equation
   42,563,216.34 : 63,853,791.30 = 13,807,106.64 : x
2. Step 2: Convert to fraction form
   42,563,216.34/63,853,791.30 = 13,807,106.64/x
3. Step 3: Cross multiply
   42,563,216.34x = 63,853,791.30 × 13,807,106.64
4. Step 4: Simplify right side
   42,563,216.34x = 881,636,105,847,404.25
5. Step 5: Solve for x
   x = 881,636,105,847,404.25/42,563,216.34
6. Step 6: Final answer
   x = 20,713,568.70