Finding the Fourth Proportional to 106,130.01, 146,434.06 and 71,738.86

Step by Step Solution

1. Step 1: Write the proportion equation
   106,130.01 : 146,434.06 = 71,738.86 : x
2. Step 2: Convert to fraction form
   106,130.01/146,434.06 = 71,738.86/x
3. Step 3: Cross multiply
   106,130.01x = 146,434.06 × 71,738.86
4. Step 4: Simplify right side
   106,130.01x = 10,505,012,886.82
5. Step 5: Solve for x
   x = 10,505,012,886.82/106,130.01
6. Step 6: Final answer
   x = 98,982.50