Finding the Fourth Proportional to 112,755.37, 155,543.41 and 69,721.10

Step by Step Solution

1. Step 1: Write the proportion equation
   112,755.37 : 155,543.41 = 69,721.10 : x
2. Step 2: Convert to fraction form
   112,755.37/155,543.41 = 69,721.10/x
3. Step 3: Cross multiply
   112,755.37x = 155,543.41 × 69,721.10
4. Step 4: Simplify right side
   112,755.37x = 10,844,657,294.35
5. Step 5: Solve for x
   x = 10,844,657,294.35/112,755.37
6. Step 6: Final answer
   x = 96,178.64