Finding the Fourth Proportional to 82,513.42, 113,664.45 and 70,374.22

Step by Step Solution

1. Step 1: Write the proportion equation
   82,513.42 : 113,664.45 = 70,374.22 : x
2. Step 2: Convert to fraction form
   82,513.42/113,664.45 = 70,374.22/x
3. Step 3: Cross multiply
   82,513.42x = 113,664.45 × 70,374.22
4. Step 4: Simplify right side
   82,513.42x = 7,999,047,010.48
5. Step 5: Solve for x
   x = 7,999,047,010.48/82,513.42
6. Step 6: Final answer
   x = 96,942.38