Finding the Fourth Proportional to 88,320,369.76, 132,537,241.69 and 42,857,363.68

Step by Step Solution

1. Step 1: Write the proportion equation
   88,320,369.76 : 132,537,241.69 = 42,857,363.68 : x
2. Step 2: Convert to fraction form
   88,320,369.76/132,537,241.69 = 42,857,363.68/x
3. Step 3: Cross multiply
   88,320,369.76x = 132,537,241.69 × 42,857,363.68
4. Step 4: Simplify right side
   88,320,369.76x = 5,680,196,767,813,902
5. Step 5: Solve for x
   x = 5,680,196,767,813,902/88,320,369.76
6. Step 6: Final answer
   x = 64,313,552.85