Finding the Fourth Proportional to 106,121, 146,445.41 and 58,371.50

Step by Step Solution

1. Step 1: Write the proportion equation
   106,121 : 146,445.41 = 58,371.50 : x
2. Step 2: Convert to fraction form
   106,121/146,445.41 = 58,371.50/x
3. Step 3: Cross multiply
   106,121x = 146,445.41 × 58,371.50
4. Step 4: Simplify right side
   106,121x = 8,548,238,249.82
5. Step 5: Solve for x
   x = 8,548,238,249.82/106,121
6. Step 6: Final answer
   x = 80,551.81