Finding the Fourth Proportional to 9,720,288.05, 13,414,404.76 and 5,590,321.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,720,288.05 : 13,414,404.76 = 5,590,321.99 : x
2. Step 2: Convert to fraction form
   9,720,288.05/13,414,404.76 = 5,590,321.99/x
3. Step 3: Cross multiply
   9,720,288.05x = 13,414,404.76 × 5,590,321.99
4. Step 4: Simplify right side
   9,720,288.05x = 74,990,841,912,588.67
5. Step 5: Solve for x
   x = 74,990,841,912,588.67/9,720,288.05
6. Step 6: Final answer
   x = 7,714,878.56