Finding the Fourth Proportional to 1,089,049.98, 1,502,668.72 and 636,253.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,089,049.98 : 1,502,668.72 = 636,253.50 : x
2. Step 2: Convert to fraction form
   1,089,049.98/1,502,668.72 = 636,253.50/x
3. Step 3: Cross multiply
   1,089,049.98x = 1,502,668.72 × 636,253.50
4. Step 4: Simplify right side
   1,089,049.98x = 956,078,232,440.52
5. Step 5: Solve for x
   x = 956,078,232,440.52/1,089,049.98
6. Step 6: Final answer
   x = 877,901.15