Finding the Fourth Proportional to 5,116,899.15, 7,061,940.15 and 2,912,298.06

Step by Step Solution

1. Step 1: Write the proportion equation
   5,116,899.15 : 7,061,940.15 = 2,912,298.06 : x
2. Step 2: Convert to fraction form
   5,116,899.15/7,061,940.15 = 2,912,298.06/x
3. Step 3: Cross multiply
   5,116,899.15x = 7,061,940.15 × 2,912,298.06
4. Step 4: Simplify right side
   5,116,899.15x = 20,566,474,598,681.11
5. Step 5: Solve for x
   x = 20,566,474,598,681.11/5,116,899.15
6. Step 6: Final answer
   x = 4,019,323.81