Finding the Fourth Proportional to 57,031,654.42, 78,703,610.03 and 30,926,128.43

Step by Step Solution

1. Step 1: Write the proportion equation
   57,031,654.42 : 78,703,610.03 = 30,926,128.43 : x
2. Step 2: Convert to fraction form
   57,031,654.42/78,703,610.03 = 30,926,128.43/x
3. Step 3: Cross multiply
   57,031,654.42x = 78,703,610.03 × 30,926,128.43
4. Step 4: Simplify right side
   57,031,654.42x = 2,433,997,951,692,416
5. Step 5: Solve for x
   x = 2,433,997,951,692,416/57,031,654.42
6. Step 6: Final answer
   x = 42,678,017.61