Finding the Fourth Proportional to 13,870,764.69, 19,141,686.77 and 7,676,262.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,870,764.69 : 19,141,686.77 = 7,676,262.15 : x
2. Step 2: Convert to fraction form
   13,870,764.69/19,141,686.77 = 7,676,262.15/x
3. Step 3: Cross multiply
   13,870,764.69x = 19,141,686.77 × 7,676,262.15
4. Step 4: Simplify right side
   13,870,764.69x = 146,936,605,601,325.47
5. Step 5: Solve for x
   x = 146,936,605,601,325.47/13,870,764.69
6. Step 6: Final answer
   x = 10,593,259.20