Finding the Fourth Proportional to 112,543.42, 155,340.63 and 70,076.86

Step by Step Solution

1. Step 1: Write the proportion equation
   112,543.42 : 155,340.63 = 70,076.86 : x
2. Step 2: Convert to fraction form
   112,543.42/155,340.63 = 70,076.86/x
3. Step 3: Cross multiply
   112,543.42x = 155,340.63 × 70,076.86
4. Step 4: Simplify right side
   112,543.42x = 10,885,783,580.82
5. Step 5: Solve for x
   x = 10,885,783,580.82/112,543.42
6. Step 6: Final answer
   x = 96,725.19