Finding the Fourth Proportional to 83,932.72, 115,823.70 and 48,097.78

Step by Step Solution

1. Step 1: Write the proportion equation
   83,932.72 : 115,823.70 = 48,097.78 : x
2. Step 2: Convert to fraction form
   83,932.72/115,823.70 = 48,097.78/x
3. Step 3: Cross multiply
   83,932.72x = 115,823.70 × 48,097.78
4. Step 4: Simplify right side
   83,932.72x = 5,570,862,841.39
5. Step 5: Solve for x
   x = 5,570,862,841.39/83,932.72
6. Step 6: Final answer
   x = 66,372.96