Finding the Fourth Proportional to 9,711,604.72, 13,402,012.49 and 5,360,689.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,711,604.72 : 13,402,012.49 = 5,360,689.87 : x
2. Step 2: Convert to fraction form
   9,711,604.72/13,402,012.49 = 5,360,689.87/x
3. Step 3: Cross multiply
   9,711,604.72x = 13,402,012.49 × 5,360,689.87
4. Step 4: Simplify right side
   9,711,604.72x = 71,844,032,658,090.78
5. Step 5: Solve for x
   x = 71,844,032,658,090.78/9,711,604.72
6. Step 6: Final answer
   x = 7,397,750.91