Finding the Fourth Proportional to 106,243, 146,615.34 and 59,139

Step by Step Solution

1. Step 1: Write the proportion equation
   106,243 : 146,615.34 = 59,139 : x
2. Step 2: Convert to fraction form
   106,243/146,615.34 = 59,139/x
3. Step 3: Cross multiply
   106,243x = 146,615.34 × 59,139
4. Step 4: Simplify right side
   106,243x = 8,670,684,592.26
5. Step 5: Solve for x
   x = 8,670,684,592.26/106,243
6. Step 6: Final answer
   x = 81,611.82