Finding the Fourth Proportional to 78,499,185.36, 108,326,895.84 and 43,216,638.23

Step by Step Solution

1. Step 1: Write the proportion equation
   78,499,185.36 : 108,326,895.84 = 43,216,638.23 : x
2. Step 2: Convert to fraction form
   78,499,185.36/108,326,895.84 = 43,216,638.23/x
3. Step 3: Cross multiply
   78,499,185.36x = 108,326,895.84 × 43,216,638.23
4. Step 4: Simplify right side
   78,499,185.36x = 4,681,524,267,554,538
5. Step 5: Solve for x
   x = 4,681,524,267,554,538/78,499,185.36
6. Step 6: Final answer
   x = 59,637,870.71