Finding the Fourth Proportional to 106,398.32, 146,788.56 and 61,059.92

Step by Step Solution

1. Step 1: Write the proportion equation
   106,398.32 : 146,788.56 = 61,059.92 : x
2. Step 2: Convert to fraction form
   106,398.32/146,788.56 = 61,059.92/x
3. Step 3: Cross multiply
   106,398.32x = 146,788.56 × 61,059.92
4. Step 4: Simplify right side
   106,398.32x = 8,962,897,730.52
5. Step 5: Solve for x
   x = 8,962,897,730.52/106,398.32
6. Step 6: Final answer
   x = 84,239.09