Finding the Fourth Proportional to 82,780.62, 114,237.76 and 45,055.26

Step by Step Solution

1. Step 1: Write the proportion equation
   82,780.62 : 114,237.76 = 45,055.26 : x
2. Step 2: Convert to fraction form
   82,780.62/114,237.76 = 45,055.26/x
3. Step 3: Cross multiply
   82,780.62x = 114,237.76 × 45,055.26
4. Step 4: Simplify right side
   82,780.62x = 5,147,011,978.62
5. Step 5: Solve for x
   x = 5,147,011,978.62/82,780.62
6. Step 6: Final answer
   x = 62,176.53