Finding the Fourth Proportional to 106,437, 146,881.44 and 58,689.12

Step by Step Solution

1. Step 1: Write the proportion equation
   106,437 : 146,881.44 = 58,689.12 : x
2. Step 2: Convert to fraction form
   106,437/146,881.44 = 58,689.12/x
3. Step 3: Cross multiply
   106,437x = 146,881.44 × 58,689.12
4. Step 4: Simplify right side
   106,437x = 8,620,342,457.93
5. Step 5: Solve for x
   x = 8,620,342,457.93/106,437
6. Step 6: Final answer
   x = 80,990.09