Finding the Fourth Proportional to 69,215,601.56, 95,517,361.72 and 39,836,209

Step by Step Solution

1. Step 1: Write the proportion equation
   69,215,601.56 : 95,517,361.72 = 39,836,209 : x
2. Step 2: Convert to fraction form
   69,215,601.56/95,517,361.72 = 39,836,209/x
3. Step 3: Cross multiply
   69,215,601.56x = 95,517,361.72 × 39,836,209
4. Step 4: Simplify right side
   69,215,601.56x = 3,805,049,584,606,519.50
5. Step 5: Solve for x
   x = 3,805,049,584,606,519.50/69,215,601.56
6. Step 6: Final answer
   x = 54,973,871.48