Finding the Fourth Proportional to 9,770,993.75, 13,485,588.47 and 5,421,481.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,770,993.75 : 13,485,588.47 = 5,421,481.31 : x
2. Step 2: Convert to fraction form
   9,770,993.75/13,485,588.47 = 5,421,481.31/x
3. Step 3: Cross multiply
   9,770,993.75x = 13,485,588.47 × 5,421,481.31
4. Step 4: Simplify right side
   9,770,993.75x = 73,111,865,844,456.50
5. Step 5: Solve for x
   x = 73,111,865,844,456.50/9,770,993.75
6. Step 6: Final answer
   x = 7,482,541.46