Finding the Fourth Proportional to 9,665,623.05, 13,338,303.93 and 5,255,209.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,665,623.05 : 13,338,303.93 = 5,255,209.50 : x
2. Step 2: Convert to fraction form
   9,665,623.05/13,338,303.93 = 5,255,209.50/x
3. Step 3: Cross multiply
   9,665,623.05x = 13,338,303.93 × 5,255,209.50
4. Step 4: Simplify right side
   9,665,623.05x = 70,095,581,526,823.34
5. Step 5: Solve for x
   x = 70,095,581,526,823.34/9,665,623.05
6. Step 6: Final answer
   x = 7,252,049.99