Finding the Fourth Proportional to 106,147.06, 146,543.39 and 70,385.37

Step by Step Solution

1. Step 1: Write the proportion equation
   106,147.06 : 146,543.39 = 70,385.37 : x
2. Step 2: Convert to fraction form
   106,147.06/146,543.39 = 70,385.37/x
3. Step 3: Cross multiply
   106,147.06x = 146,543.39 × 70,385.37
4. Step 4: Simplify right side
   106,147.06x = 10,314,510,726.20
5. Step 5: Solve for x
   x = 10,314,510,726.20/106,147.06
6. Step 6: Final answer
   x = 97,171.89