Finding the Fourth Proportional to 70,157.50, 96,840.42 and 55,843.57

Step by Step Solution

1. Step 1: Write the proportion equation
   70,157.50 : 96,840.42 = 55,843.57 : x
2. Step 2: Convert to fraction form
   70,157.50/96,840.42 = 55,843.57/x
3. Step 3: Cross multiply
   70,157.50x = 96,840.42 × 55,843.57
4. Step 4: Simplify right side
   70,157.50x = 5,407,914,773.10
5. Step 5: Solve for x
   x = 5,407,914,773.10/70,157.50
6. Step 6: Final answer
   x = 77,082.49