Finding the Fourth Proportional to 88,282,490.18, 132,337,830.20 and 42,212,408.73

Step by Step Solution

1. Step 1: Write the proportion equation
   88,282,490.18 : 132,337,830.20 = 42,212,408.73 : x
2. Step 2: Convert to fraction form
   88,282,490.18/132,337,830.20 = 42,212,408.73/x
3. Step 3: Cross multiply
   88,282,490.18x = 132,337,830.20 × 42,212,408.73
4. Step 4: Simplify right side
   88,282,490.18x = 5,586,298,578,632,675
5. Step 5: Solve for x
   x = 5,586,298,578,632,675/88,282,490.18
6. Step 6: Final answer
   x = 63,277,537.45