Finding the Fourth Proportional to 55,389,643.12, 83,010,197.82 and 43,108,435.96

Step by Step Solution

1. Step 1: Write the proportion equation
   55,389,643.12 : 83,010,197.82 = 43,108,435.96 : x
2. Step 2: Convert to fraction form
   55,389,643.12/83,010,197.82 = 43,108,435.96/x
3. Step 3: Cross multiply
   55,389,643.12x = 83,010,197.82 × 43,108,435.96
4. Step 4: Simplify right side
   55,389,643.12x = 3,578,439,796,750,401.50
5. Step 5: Solve for x
   x = 3,578,439,796,750,401.50/55,389,643.12
6. Step 6: Final answer
   x = 64,604,853.82