Finding the Fourth Proportional to 12,828,566.53, 19,242,689.23 and 3,113,260

Step by Step Solution

1. Step 1: Write the proportion equation
   12,828,566.53 : 19,242,689.23 = 3,113,260 : x
2. Step 2: Convert to fraction form
   12,828,566.53/19,242,689.23 = 3,113,260/x
3. Step 3: Cross multiply
   12,828,566.53x = 19,242,689.23 × 3,113,260
4. Step 4: Simplify right side
   12,828,566.53x = 59,907,494,672,189.80
5. Step 5: Solve for x
   x = 59,907,494,672,189.80/12,828,566.53
6. Step 6: Final answer
   x = 4,669,851.03