Finding the Fourth Proportional to 13,753,398.12, 18,978,456.90 and 7,558,373.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,753,398.12 : 18,978,456.90 = 7,558,373.42 : x
2. Step 2: Convert to fraction form
   13,753,398.12/18,978,456.90 = 7,558,373.42/x
3. Step 3: Cross multiply
   13,753,398.12x = 18,978,456.90 × 7,558,373.42
4. Step 4: Simplify right side
   13,753,398.12x = 143,446,264,185,575.59
5. Step 5: Solve for x
   x = 143,446,264,185,575.59/13,753,398.12
6. Step 6: Final answer
   x = 10,429,877.98