Finding the Fourth Proportional to 128,108,411.53, 176,789,289.22 and 69,371,073.34

Step by Step Solution

1. Step 1: Write the proportion equation
   128,108,411.53 : 176,789,289.22 = 69,371,073.34 : x
2. Step 2: Convert to fraction form
   128,108,411.53/176,789,289.22 = 69,371,073.34/x
3. Step 3: Cross multiply
   128,108,411.53x = 176,789,289.22 × 69,371,073.34
4. Step 4: Simplify right side
   128,108,411.53x = 12,264,062,747,591,692
5. Step 5: Solve for x
   x = 12,264,062,747,591,692/128,108,411.53
6. Step 6: Final answer
   x = 95,731,908.63