Finding the Fourth Proportional to 1,054,839.83, 1,455,685.98 and 571,405.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,054,839.83 : 1,455,685.98 = 571,405.00 : x
2. Step 2: Convert to fraction form
   1,054,839.83/1,455,685.98 = 571,405.00/x
3. Step 3: Cross multiply
   1,054,839.83x = 1,455,685.98 × 571,405.00
4. Step 4: Simplify right side
   1,054,839.83x = 831,786,243,762.69
5. Step 5: Solve for x
   x = 831,786,243,762.69/1,054,839.83
6. Step 6: Final answer
   x = 788,542.69