Finding the Fourth Proportional to 82,308.21, 113,585.29 and 48,316.70

Step by Step Solution

1. Step 1: Write the proportion equation
   82,308.21 : 113,585.29 = 48,316.70 : x
2. Step 2: Convert to fraction form
   82,308.21/113,585.29 = 48,316.70/x
3. Step 3: Cross multiply
   82,308.21x = 113,585.29 × 48,316.70
4. Step 4: Simplify right side
   82,308.21x = 5,488,066,381.34
5. Step 5: Solve for x
   x = 5,488,066,381.34/82,308.21
6. Step 6: Final answer
   x = 66,677.02