Finding the Fourth Proportional to 76,872,078.92, 106,083,467.82 and 42,064,768.34

Step by Step Solution

1. Step 1: Write the proportion equation
   76,872,078.92 : 106,083,467.82 = 42,064,768.34 : x
2. Step 2: Convert to fraction form
   76,872,078.92/106,083,467.82 = 42,064,768.34/x
3. Step 3: Cross multiply
   76,872,078.92x = 106,083,467.82 × 42,064,768.34
4. Step 4: Simplify right side
   76,872,078.92x = 4,462,376,498,552,145
5. Step 5: Solve for x
   x = 4,462,376,498,552,145/76,872,078.92
6. Step 6: Final answer
   x = 58,049,379.71