Finding the Fourth Proportional to 1,162,772,565.45, 1,604,350,334.72 and 660,941,848.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162,772,565.45 : 1,604,350,334.72 = 660,941,848.47 : x
2. Step 2: Convert to fraction form
   1,162,772,565.45/1,604,350,334.72 = 660,941,848.47/x
3. Step 3: Cross multiply
   1,162,772,565.45x = 1,604,350,334.72 × 660,941,848.47
4. Step 4: Simplify right side
   1,162,772,565.45x = 1,060,382,275,823,300,096
5. Step 5: Solve for x
   x = 1,060,382,275,823,300,096/1,162,772,565.45
6. Step 6: Final answer
   x = 911,942,977.79