Finding the Fourth Proportional to 5,123,536.57, 7,070,468.27 and 2,918,399.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,123,536.57 : 7,070,468.27 = 2,918,399.05 : x
2. Step 2: Convert to fraction form
   5,123,536.57/7,070,468.27 = 2,918,399.05/x
3. Step 3: Cross multiply
   5,123,536.57x = 7,070,468.27 × 2,918,399.05
4. Step 4: Simplify right side
   5,123,536.57x = 20,634,447,892,603.32
5. Step 5: Solve for x
   x = 20,634,447,892,603.32/5,123,536.57
6. Step 6: Final answer
   x = 4,027,383.74