Finding the Fourth Proportional to 9,521,617.34, 13,139,834.50 and 5,170,702.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,521,617.34 : 13,139,834.50 = 5,170,702.50 : x
2. Step 2: Convert to fraction form
   9,521,617.34/13,139,834.50 = 5,170,702.50/x
3. Step 3: Cross multiply
   9,521,617.34x = 13,139,834.50 × 5,170,702.50
4. Step 4: Simplify right side
   9,521,617.34x = 67,942,175,098,736.25
5. Step 5: Solve for x
   x = 67,942,175,098,736.25/9,521,617.34
6. Step 6: Final answer
   x = 7,135,570.85