Finding the Fourth Proportional to 129,665,100.98, 194,511,276.53 and 42,233,426.39

Step by Step Solution

1. Step 1: Write the proportion equation
   129,665,100.98 : 194,511,276.53 = 42,233,426.39 : x
2. Step 2: Convert to fraction form
   129,665,100.98/194,511,276.53 = 42,233,426.39/x
3. Step 3: Cross multiply
   129,665,100.98x = 194,511,276.53 × 42,233,426.39
4. Step 4: Simplify right side
   129,665,100.98x = 8,214,877,678,170,966
5. Step 5: Solve for x
   x = 8,214,877,678,170,966/129,665,100.98
6. Step 6: Final answer
   x = 63,354,577.42