Finding the Fourth Proportional to 7,217,086.50, 9,959,575.91 and 4,316,477.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,217,086.50 : 9,959,575.91 = 4,316,477.31 : x
2. Step 2: Convert to fraction form
   7,217,086.50/9,959,575.91 = 4,316,477.31/x
3. Step 3: Cross multiply
   7,217,086.50x = 9,959,575.91 × 4,316,477.31
4. Step 4: Simplify right side
   7,217,086.50x = 42,990,283,432,737.60
5. Step 5: Solve for x
   x = 42,990,283,432,737.60/7,217,086.50
6. Step 6: Final answer
   x = 5,956,736.62