Finding the Fourth Proportional to 112,513.76, 155,299.76 and 70,047.36

Step by Step Solution

1. Step 1: Write the proportion equation
   112,513.76 : 155,299.76 = 70,047.36 : x
2. Step 2: Convert to fraction form
   112,513.76/155,299.76 = 70,047.36/x
3. Step 3: Cross multiply
   112,513.76x = 155,299.76 × 70,047.36
4. Step 4: Simplify right side
   112,513.76x = 10,878,338,196.63
5. Step 5: Solve for x
   x = 10,878,338,196.63/112,513.76
6. Step 6: Final answer
   x = 96,684.51