Finding the Fourth Proportional to 56,960,553.89, 78,603,940.42 and 33,438,712.39

Step by Step Solution

1. Step 1: Write the proportion equation
   56,960,553.89 : 78,603,940.42 = 33,438,712.39 : x
2. Step 2: Convert to fraction form
   56,960,553.89/78,603,940.42 = 33,438,712.39/x
3. Step 3: Cross multiply
   56,960,553.89x = 78,603,940.42 × 33,438,712.39
4. Step 4: Simplify right side
   56,960,553.89x = 2,628,414,556,144,969.50
5. Step 5: Solve for x
   x = 2,628,414,556,144,969.50/56,960,553.89
6. Step 6: Final answer
   x = 46,144,469.75