Finding the Fourth Proportional to 57,102,469.05, 78,801,507.24 and 30,997,004.56

Step by Step Solution

1. Step 1: Write the proportion equation
   57,102,469.05 : 78,801,507.24 = 30,997,004.56 : x
2. Step 2: Convert to fraction form
   57,102,469.05/78,801,507.24 = 30,997,004.56/x
3. Step 3: Cross multiply
   57,102,469.05x = 78,801,507.24 × 30,997,004.56
4. Step 4: Simplify right side
   57,102,469.05x = 2,442,610,679,253,152.50
5. Step 5: Solve for x
   x = 2,442,610,679,253,152.50/57,102,469.05
6. Step 6: Final answer
   x = 42,775,920.55