Finding the Fourth Proportional to 42,518,436.96, 63,787,770.24 and 13,764,570.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,518,436.96 : 63,787,770.24 = 13,764,570.24 : x
2. Step 2: Convert to fraction form
   42,518,436.96/63,787,770.24 = 13,764,570.24/x
3. Step 3: Cross multiply
   42,518,436.96x = 63,787,770.24 × 13,764,570.24
4. Step 4: Simplify right side
   42,518,436.96x = 878,011,243,921,461.75
5. Step 5: Solve for x
   x = 878,011,243,921,461.75/42,518,436.96
6. Step 6: Final answer
   x = 20,650,129.84