Finding the Fourth Proportional to 82,980.86, 114,528.50 and 48,987.35

Step by Step Solution

1. Step 1: Write the proportion equation
   82,980.86 : 114,528.50 = 48,987.35 : x
2. Step 2: Convert to fraction form
   82,980.86/114,528.50 = 48,987.35/x
3. Step 3: Cross multiply
   82,980.86x = 114,528.50 × 48,987.35
4. Step 4: Simplify right side
   82,980.86x = 5,610,447,510.08
5. Step 5: Solve for x
   x = 5,610,447,510.08/82,980.86
6. Step 6: Final answer
   x = 67,611.35