Finding the Fourth Proportional to 59,093,793.18, 80,958,119.06 and 56,883,960

Step by Step Solution

1. Step 1: Write the proportion equation
   59,093,793.18 : 80,958,119.06 = 56,883,960 : x
2. Step 2: Convert to fraction form
   59,093,793.18/80,958,119.06 = 56,883,960/x
3. Step 3: Cross multiply
   59,093,793.18x = 80,958,119.06 × 56,883,960
4. Step 4: Simplify right side
   59,093,793.18x = 4,605,218,405,999,858
5. Step 5: Solve for x
   x = 4,605,218,405,999,858/59,093,793.18
6. Step 6: Final answer
   x = 77,930,661.72