Finding the Fourth Proportional to 10,390,428.96, 14,339,428.56 and 5,807,116.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,390,428.96 : 14,339,428.56 = 5,807,116.32 : x
2. Step 2: Convert to fraction form
   10,390,428.96/14,339,428.56 = 5,807,116.32/x
3. Step 3: Cross multiply
   10,390,428.96x = 14,339,428.56 × 5,807,116.32
4. Step 4: Simplify right side
   10,390,428.96x = 83,270,729,610,250.11
5. Step 5: Solve for x
   x = 83,270,729,610,250.11/10,390,428.96
6. Step 6: Final answer
   x = 8,014,176.31