Finding the Fourth Proportional to 19,774,411.83, 29,637,665.49 and 8,390,946.15

Step by Step Solution

1. Step 1: Write the proportion equation
   19,774,411.83 : 29,637,665.49 = 8,390,946.15 : x
2. Step 2: Convert to fraction form
   19,774,411.83/29,637,665.49 = 8,390,946.15/x
3. Step 3: Cross multiply
   19,774,411.83x = 29,637,665.49 × 8,390,946.15
4. Step 4: Simplify right side
   19,774,411.83x = 248,688,055,138,303.38
5. Step 5: Solve for x
   x = 248,688,055,138,303.38/19,774,411.83
6. Step 6: Final answer
   x = 12,576,255.48