Finding the Fourth Proportional to 86,456.07, 129,684.15 and 23,276.34

Step by Step Solution

1. Step 1: Write the proportion equation
   86,456.07 : 129,684.15 = 23,276.34 : x
2. Step 2: Convert to fraction form
   86,456.07/129,684.15 = 23,276.34/x
3. Step 3: Cross multiply
   86,456.07x = 129,684.15 × 23,276.34
4. Step 4: Simplify right side
   86,456.07x = 3,018,572,368.01
5. Step 5: Solve for x
   x = 3,018,572,368.01/86,456.07
6. Step 6: Final answer
   x = 34,914.52