Finding the Fourth Proportional to 107,300,989.30, 160,972,479.15 and 45,890,029.30

Step by Step Solution

1. Step 1: Write the proportion equation
   107,300,989.30 : 160,972,479.15 = 45,890,029.30 : x
2. Step 2: Convert to fraction form
   107,300,989.30/160,972,479.15 = 45,890,029.30/x
3. Step 3: Cross multiply
   107,300,989.30x = 160,972,479.15 × 45,890,029.30
4. Step 4: Simplify right side
   107,300,989.30x = 7,387,031,784,687,139
5. Step 5: Solve for x
   x = 7,387,031,784,687,139/107,300,989.30
6. Step 6: Final answer
   x = 68,844,023.09