Finding the Fourth Proportional to 12,828,573.82, 19,242,700.13 and 3,113,267.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,828,573.82 : 19,242,700.13 = 3,113,267.30 : x
2. Step 2: Convert to fraction form
   12,828,573.82/19,242,700.13 = 3,113,267.30/x
3. Step 3: Cross multiply
   12,828,573.82x = 19,242,700.13 × 3,113,267.30
4. Step 4: Simplify right side
   12,828,573.82x = 59,907,669,062,164.55
5. Step 5: Solve for x
   x = 59,907,669,062,164.55/12,828,573.82
6. Step 6: Final answer
   x = 4,669,861.97