Finding the Fourth Proportional to 9,658,156.18, 13,328,361.61 and 5,307,243.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,658,156.18 : 13,328,361.61 = 5,307,243.61 : x
2. Step 2: Convert to fraction form
   9,658,156.18/13,328,361.61 = 5,307,243.61/x
3. Step 3: Cross multiply
   9,658,156.18x = 13,328,361.61 × 5,307,243.61
4. Step 4: Simplify right side
   9,658,156.18x = 70,736,861,959,905.59
5. Step 5: Solve for x
   x = 70,736,861,959,905.59/9,658,156.18
6. Step 6: Final answer
   x = 7,324,054.47