Finding the Fourth Proportional to 7,118,308.35, 10,677,960.54 and 2,858,476.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,118,308.35 : 10,677,960.54 = 2,858,476.50 : x
2. Step 2: Convert to fraction form
   7,118,308.35/10,677,960.54 = 2,858,476.50/x
3. Step 3: Cross multiply
   7,118,308.35x = 10,677,960.54 × 2,858,476.50
4. Step 4: Simplify right side
   7,118,308.35x = 30,522,699,271,517.31
5. Step 5: Solve for x
   x = 30,522,699,271,517.31/7,118,308.35
6. Step 6: Final answer
   x = 4,287,914.74