Finding the Fourth Proportional to 2,153,123.00, 3,229,577.12 and 805,186.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,123.00 : 3,229,577.12 = 805,186.50 : x
2. Step 2: Convert to fraction form
   2,153,123.00/3,229,577.12 = 805,186.50/x
3. Step 3: Cross multiply
   2,153,123.00x = 3,229,577.12 × 805,186.50
4. Step 4: Simplify right side
   2,153,123.00x = 2,600,411,883,597.96
5. Step 5: Solve for x
   x = 2,600,411,883,597.96/2,153,123.00
6. Step 6: Final answer
   x = 1,207,739.59