Finding the Fourth Proportional to 55,389,611.07, 83,010,149.72 and 43,108,404.28

Step by Step Solution

1. Step 1: Write the proportion equation
   55,389,611.07 : 83,010,149.72 = 43,108,404.28 : x
2. Step 2: Convert to fraction form
   55,389,611.07/83,010,149.72 = 43,108,404.28/x
3. Step 3: Cross multiply
   55,389,611.07x = 83,010,149.72 × 43,108,404.28
4. Step 4: Simplify right side
   55,389,611.07x = 3,578,435,092,842,496
5. Step 5: Solve for x
   x = 3,578,435,092,842,496/55,389,611.07
6. Step 6: Final answer
   x = 64,604,806.28