Finding the Fourth Proportional to 10,902,336.15, 16,318,074.83 and 10,902,336.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,902,336.15 : 16,318,074.83 = 10,902,336.15 : x
2. Step 2: Convert to fraction form
   10,902,336.15/16,318,074.83 = 10,902,336.15/x
3. Step 3: Cross multiply
   10,902,336.15x = 16,318,074.83 × 10,902,336.15
4. Step 4: Simplify right side
   10,902,336.15x = 177,905,137,063,002.41
5. Step 5: Solve for x
   x = 177,905,137,063,002.41/10,902,336.15
6. Step 6: Final answer
   x = 16,318,074.83