Finding the Fourth Proportional to 19,774,410.83, 29,637,664.00 and 8,390,945.15

Step by Step Solution

1. Step 1: Write the proportion equation
   19,774,410.83 : 29,637,664.00 = 8,390,945.15 : x
2. Step 2: Convert to fraction form
   19,774,410.83/29,637,664.00 = 8,390,945.15/x
3. Step 3: Cross multiply
   19,774,410.83x = 29,637,664.00 × 8,390,945.15
4. Step 4: Simplify right side
   19,774,410.83x = 248,688,012,807,986.56
5. Step 5: Solve for x
   x = 248,688,012,807,986.56/19,774,410.83
6. Step 6: Final answer
   x = 12,576,253.98