Finding the Fourth Proportional to 1,152,299.98, 1,590,174.06 and 636,054.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,299.98 : 1,590,174.06 = 636,054.00 : x
2. Step 2: Convert to fraction form
   1,152,299.98/1,590,174.06 = 636,054.00/x
3. Step 3: Cross multiply
   1,152,299.98x = 1,590,174.06 × 636,054.00
4. Step 4: Simplify right side
   1,152,299.98x = 1,011,436,563,608.37
5. Step 5: Solve for x
   x = 1,011,436,563,608.37/1,152,299.98
6. Step 6: Final answer
   x = 877,754.56