Finding the Fourth Proportional to 128,002,573.04, 176,644,018.92 and 69,265,238.72

Step by Step Solution

1. Step 1: Write the proportion equation
   128,002,573.04 : 176,644,018.92 = 69,265,238.72 : x
2. Step 2: Convert to fraction form
   128,002,573.04/176,644,018.92 = 69,265,238.72/x
3. Step 3: Cross multiply
   128,002,573.04x = 176,644,018.92 × 69,265,238.72
4. Step 4: Simplify right side
   128,002,573.04x = 12,235,290,138,953,996
5. Step 5: Solve for x
   x = 12,235,290,138,953,996/128,002,573.04
6. Step 6: Final answer
   x = 95,586,282.75