Finding the Fourth Proportional to 33,131,014.10, 49,666,972.35 and 12,931,558.10

Step by Step Solution

1. Step 1: Write the proportion equation
   33,131,014.10 : 49,666,972.35 = 12,931,558.10 : x
2. Step 2: Convert to fraction form
   33,131,014.10/49,666,972.35 = 12,931,558.10/x
3. Step 3: Cross multiply
   33,131,014.10x = 49,666,972.35 × 12,931,558.10
4. Step 4: Simplify right side
   33,131,014.10x = 642,271,338,595,118.50
5. Step 5: Solve for x
   x = 642,271,338,595,118.50/33,131,014.10
6. Step 6: Final answer
   x = 19,385,803.79