Finding the Fourth Proportional to 83,536.32, 115,432.74 and 60,835.80

Step by Step Solution

1. Step 1: Write the proportion equation
   83,536.32 : 115,432.74 = 60,835.80 : x
2. Step 2: Convert to fraction form
   83,536.32/115,432.74 = 60,835.80/x
3. Step 3: Cross multiply
   83,536.32x = 115,432.74 × 60,835.80
4. Step 4: Simplify right side
   83,536.32x = 7,022,443,084.09
5. Step 5: Solve for x
   x = 7,022,443,084.09/83,536.32
6. Step 6: Final answer
   x = 84,064.55