Finding the Fourth Proportional to 10,684,686.72, 14,764,421.28 and 7,779,034.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,684,686.72 : 14,764,421.28 = 7,779,034.32 : x
2. Step 2: Convert to fraction form
   10,684,686.72/14,764,421.28 = 7,779,034.32/x
3. Step 3: Cross multiply
   10,684,686.72x = 14,764,421.28 × 7,779,034.32
4. Step 4: Simplify right side
   10,684,686.72x = 114,852,939,852,058.33
5. Step 5: Solve for x
   x = 114,852,939,852,058.33/10,684,686.72
6. Step 6: Final answer
   x = 10,749,303.45