Finding the Fourth Proportional to 10,302,162.99, 14,216,273.31 and 5,718,123.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,302,162.99 : 14,216,273.31 = 5,718,123.51 : x
2. Step 2: Convert to fraction form
   10,302,162.99/14,216,273.31 = 5,718,123.51/x
3. Step 3: Cross multiply
   10,302,162.99x = 14,216,273.31 × 5,718,123.51
4. Step 4: Simplify right side
   10,302,162.99x = 81,290,406,638,496.52
5. Step 5: Solve for x
   x = 81,290,406,638,496.52/10,302,162.99
6. Step 6: Final answer
   x = 7,890,615.47