Finding the Fourth Proportional to 106,448.96, 146,897.52 and 58,706.72

Step by Step Solution

1. Step 1: Write the proportion equation
   106,448.96 : 146,897.52 = 58,706.72 : x
2. Step 2: Convert to fraction form
   106,448.96/146,897.52 = 58,706.72/x
3. Step 3: Cross multiply
   106,448.96x = 146,897.52 × 58,706.72
4. Step 4: Simplify right side
   106,448.96x = 8,623,871,575.33
5. Step 5: Solve for x
   x = 8,623,871,575.33/106,448.96
6. Step 6: Final answer
   x = 81,014.15