Finding the Fourth Proportional to 115,435,521.29, 159,303,596.87 and 65,874,908.27

Step by Step Solution

1. Step 1: Write the proportion equation
   115,435,521.29 : 159,303,596.87 = 65,874,908.27 : x
2. Step 2: Convert to fraction form
   115,435,521.29/159,303,596.87 = 65,874,908.27/x
3. Step 3: Cross multiply
   115,435,521.29x = 159,303,596.87 × 65,874,908.27
4. Step 4: Simplify right side
   115,435,521.29x = 10,494,109,831,455,256
5. Step 5: Solve for x
   x = 10,494,109,831,455,256/115,435,521.29
6. Step 6: Final answer
   x = 90,908,844.30