Finding the Fourth Proportional to 9,521,616.34, 13,139,833.12 and 5,170,701.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,521,616.34 : 13,139,833.12 = 5,170,701.50 : x
2. Step 2: Convert to fraction form
   9,521,616.34/13,139,833.12 = 5,170,701.50/x
3. Step 3: Cross multiply
   9,521,616.34x = 13,139,833.12 × 5,170,701.50
4. Step 4: Simplify right side
   9,521,616.34x = 67,942,154,744,707.76
5. Step 5: Solve for x
   x = 67,942,154,744,707.76/9,521,616.34
6. Step 6: Final answer
   x = 7,135,569.46