Finding the Fourth Proportional to 9,915,664.83, 13,683,888.81 and 5,565,020.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,915,664.83 : 13,683,888.81 = 5,565,020.82 : x
2. Step 2: Convert to fraction form
   9,915,664.83/13,683,888.81 = 5,565,020.82/x
3. Step 3: Cross multiply
   9,915,664.83x = 13,683,888.81 × 5,565,020.82
4. Step 4: Simplify right side
   9,915,664.83x = 76,151,126,126,215.03
5. Step 5: Solve for x
   x = 76,151,126,126,215.03/9,915,664.83
6. Step 6: Final answer
   x = 7,679,881.02