Finding the Fourth Proportional to 82,888.74, 114,386.72 and 47,079.05

Step by Step Solution

1. Step 1: Write the proportion equation
   82,888.74 : 114,386.72 = 47,079.05 : x
2. Step 2: Convert to fraction form
   82,888.74/114,386.72 = 47,079.05/x
3. Step 3: Cross multiply
   82,888.74x = 114,386.72 × 47,079.05
4. Step 4: Simplify right side
   82,888.74x = 5,385,218,110.22
5. Step 5: Solve for x
   x = 5,385,218,110.22/82,888.74
6. Step 6: Final answer
   x = 64,969.24