Finding the Fourth Proportional to 5,113,079.70, 7,056,196.52 and 2,821,388.01

Step by Step Solution

1. Step 1: Write the proportion equation
   5,113,079.70 : 7,056,196.52 = 2,821,388.01 : x
2. Step 2: Convert to fraction form
   5,113,079.70/7,056,196.52 = 2,821,388.01/x
3. Step 3: Cross multiply
   5,113,079.70x = 7,056,196.52 × 2,821,388.01
4. Step 4: Simplify right side
   5,113,079.70x = 19,908,268,243,624.78
5. Step 5: Solve for x
   x = 19,908,268,243,624.78/5,113,079.70
6. Step 6: Final answer
   x = 3,893,596.31