Finding the Fourth Proportional to 19,141,002.24, 28,717,724.16 and 12,777,123.84

Step by Step Solution

1. Step 1: Write the proportion equation
   19,141,002.24 : 28,717,724.16 = 12,777,123.84 : x
2. Step 2: Convert to fraction form
   19,141,002.24/28,717,724.16 = 12,777,123.84/x
3. Step 3: Cross multiply
   19,141,002.24x = 28,717,724.16 × 12,777,123.84
4. Step 4: Simplify right side
   19,141,002.24x = 366,929,917,995,280
5. Step 5: Solve for x
   x = 366,929,917,995,280/19,141,002.24
6. Step 6: Final answer
   x = 19,169,838.31