Finding the Fourth Proportional to 1,061,461.88, 1,464,817.48 and 578,026.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,461.88 : 1,464,817.48 = 578,026.88 : x
2. Step 2: Convert to fraction form
   1,061,461.88/1,464,817.48 = 578,026.88/x
3. Step 3: Cross multiply
   1,061,461.88x = 1,464,817.48 × 578,026.88
4. Step 4: Simplify right side
   1,061,461.88x = 846,703,870,409.78
5. Step 5: Solve for x
   x = 846,703,870,409.78/1,061,461.88
6. Step 6: Final answer
   x = 797,677.14