Finding the Fourth Proportional to 9,909,304.56, 14,860,392.76 and 3,430,620.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,909,304.56 : 14,860,392.76 = 3,430,620.72 : x
2. Step 2: Convert to fraction form
   9,909,304.56/14,860,392.76 = 3,430,620.72/x
3. Step 3: Cross multiply
   9,909,304.56x = 14,860,392.76 × 3,430,620.72
4. Step 4: Simplify right side
   9,909,304.56x = 50,980,371,309,793.99
5. Step 5: Solve for x
   x = 50,980,371,309,793.99/9,909,304.56
6. Step 6: Final answer
   x = 5,144,697.19