Finding the Fourth Proportional to 59,560,020.72, 89,354,393.58 and 20,692,815.87

Step by Step Solution

1. Step 1: Write the proportion equation
   59,560,020.72 : 89,354,393.58 = 20,692,815.87 : x
2. Step 2: Convert to fraction form
   59,560,020.72/89,354,393.58 = 20,692,815.87/x
3. Step 3: Cross multiply
   59,560,020.72x = 89,354,393.58 × 20,692,815.87
4. Step 4: Simplify right side
   59,560,020.72x = 1,848,994,013,526,450.25
5. Step 5: Solve for x
   x = 1,848,994,013,526,450.25/59,560,020.72
6. Step 6: Final answer
   x = 31,044,213.74