Finding the Fourth Proportional to 35,350,978.23, 48,777,038.67 and 20,663,803.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,350,978.23 : 48,777,038.67 = 20,663,803.50 : x
2. Step 2: Convert to fraction form
   35,350,978.23/48,777,038.67 = 20,663,803.50/x
3. Step 3: Cross multiply
   35,350,978.23x = 48,777,038.67 × 20,663,803.50
4. Step 4: Simplify right side
   35,350,978.23x = 1,007,919,142,388,781.38
5. Step 5: Solve for x
   x = 1,007,919,142,388,781.38/35,350,978.23
6. Step 6: Final answer
   x = 28,511,775.14