Finding the Fourth Proportional to 106,851.56, 147,390.89 and 70,553.33

Step by Step Solution

1. Step 1: Write the proportion equation
   106,851.56 : 147,390.89 = 70,553.33 : x
2. Step 2: Convert to fraction form
   106,851.56/147,390.89 = 70,553.33/x
3. Step 3: Cross multiply
   106,851.56x = 147,390.89 × 70,553.33
4. Step 4: Simplify right side
   106,851.56x = 10,398,917,961.02
5. Step 5: Solve for x
   x = 10,398,917,961.02/106,851.56
6. Step 6: Final answer
   x = 97,321.17