Finding the Fourth Proportional to 1,060,610.31, 1,465,118.15 and 1,021,238.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,060,610.31 : 1,465,118.15 = 1,021,238.10 : x
2. Step 2: Convert to fraction form
   1,060,610.31/1,465,118.15 = 1,021,238.10/x
3. Step 3: Cross multiply
   1,060,610.31x = 1,465,118.15 × 1,021,238.10
4. Step 4: Simplify right side
   1,060,610.31x = 1,496,234,470,675.32
5. Step 5: Solve for x
   x = 1,496,234,470,675.32/1,060,610.31
6. Step 6: Final answer
   x = 1,410,729.71