Finding the Fourth Proportional to 76,611.32, 114,817.42 and 42,875.94

Step by Step Solution

1. Step 1: Write the proportion equation
   76,611.32 : 114,817.42 = 42,875.94 : x
2. Step 2: Convert to fraction form
   76,611.32/114,817.42 = 42,875.94/x
3. Step 3: Cross multiply
   76,611.32x = 114,817.42 × 42,875.94
4. Step 4: Simplify right side
   76,611.32x = 4,922,904,810.87
5. Step 5: Solve for x
   x = 4,922,904,810.87/76,611.32
6. Step 6: Final answer
   x = 64,258.19