Finding the Fourth Proportional to 112,522.10, 155,347.86 and 70,138.04

Step by Step Solution

1. Step 1: Write the proportion equation
   112,522.10 : 155,347.86 = 70,138.04 : x
2. Step 2: Convert to fraction form
   112,522.10/155,347.86 = 70,138.04/x
3. Step 3: Cross multiply
   112,522.10x = 155,347.86 × 70,138.04
4. Step 4: Simplify right side
   112,522.10x = 10,895,794,418.59
5. Step 5: Solve for x
   x = 10,895,794,418.59/112,522.10
6. Step 6: Final answer
   x = 96,832.48