Finding the Fourth Proportional to 112,518.09, 155,342.34 and 70,134.03

Step by Step Solution

1. Step 1: Write the proportion equation
   112,518.09 : 155,342.34 = 70,134.03 : x
2. Step 2: Convert to fraction form
   112,518.09/155,342.34 = 70,134.03/x
3. Step 3: Cross multiply
   112,518.09x = 155,342.34 × 70,134.03
4. Step 4: Simplify right side
   112,518.09x = 10,894,784,333.83
5. Step 5: Solve for x
   x = 10,894,784,333.83/112,518.09
6. Step 6: Final answer
   x = 96,826.96