Finding the Fourth Proportional to 10,499,209.30, 14,488,905.78 and 5,670,313.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,499,209.30 : 14,488,905.78 = 5,670,313.30 : x
2. Step 2: Convert to fraction form
   10,499,209.30/14,488,905.78 = 5,670,313.30/x
3. Step 3: Cross multiply
   10,499,209.30x = 14,488,905.78 × 5,670,313.30
4. Step 4: Simplify right side
   10,499,209.30x = 82,156,635,146,780.88
5. Step 5: Solve for x
   x = 82,156,635,146,780.88/10,499,209.30
6. Step 6: Final answer
   x = 7,825,030.70