Finding the Fourth Proportional to 112,530.09, 155,358.90 and 70,146.03

Step by Step Solution

1. Step 1: Write the proportion equation
   112,530.09 : 155,358.90 = 70,146.03 : x
2. Step 2: Convert to fraction form
   112,530.09/155,358.90 = 70,146.03/x
3. Step 3: Cross multiply
   112,530.09x = 155,358.90 × 70,146.03
4. Step 4: Simplify right side
   112,530.09x = 10,897,810,060.17
5. Step 5: Solve for x
   x = 10,897,810,060.17/112,530.09
6. Step 6: Final answer
   x = 96,843.52