Finding the Fourth Proportional to 39,684,369.96, 59,527,152.72 and 13,777,493.58

Step by Step Solution

1. Step 1: Write the proportion equation
   39,684,369.96 : 59,527,152.72 = 13,777,493.58 : x
2. Step 2: Convert to fraction form
   39,684,369.96/59,527,152.72 = 13,777,493.58/x
3. Step 3: Cross multiply
   39,684,369.96x = 59,527,152.72 × 13,777,493.58
4. Step 4: Simplify right side
   39,684,369.96x = 820,134,964,435,479.50
5. Step 5: Solve for x
   x = 820,134,964,435,479.50/39,684,369.96
6. Step 6: Final answer
   x = 20,666,447.91