Finding the Fourth Proportional to 76,379,949.33, 105,413,305.41 and 42,894,931.38

Step by Step Solution

1. Step 1: Write the proportion equation
   76,379,949.33 : 105,413,305.41 = 42,894,931.38 : x
2. Step 2: Convert to fraction form
   76,379,949.33/105,413,305.41 = 42,894,931.38/x
3. Step 3: Cross multiply
   76,379,949.33x = 105,413,305.41 × 42,894,931.38
4. Step 4: Simplify right side
   76,379,949.33x = 4,521,696,502,100,933
5. Step 5: Solve for x
   x = 4,521,696,502,100,933/76,379,949.33
6. Step 6: Final answer
   x = 59,200,045.85