Finding the Fourth Proportional to 19,055,238.46, 28,566,789.78 and 8,264,411.98

Step by Step Solution

1. Step 1: Write the proportion equation
   19,055,238.46 : 28,566,789.78 = 8,264,411.98 : x
2. Step 2: Convert to fraction form
   19,055,238.46/28,566,789.78 = 8,264,411.98/x
3. Step 3: Cross multiply
   19,055,238.46x = 28,566,789.78 × 8,264,411.98
4. Step 4: Simplify right side
   19,055,238.46x = 236,087,719,687,973.59
5. Step 5: Solve for x
   x = 236,087,719,687,973.59/19,055,238.46
6. Step 6: Final answer
   x = 12,389,649.19