Finding the Fourth Proportional to 113,116.68, 156,104.30 and 64,726.47

Step by Step Solution

1. Step 1: Write the proportion equation
   113,116.68 : 156,104.30 = 64,726.47 : x
2. Step 2: Convert to fraction form
   113,116.68/156,104.30 = 64,726.47/x
3. Step 3: Cross multiply
   113,116.68x = 156,104.30 × 64,726.47
4. Step 4: Simplify right side
   113,116.68x = 10,104,079,967.19
5. Step 5: Solve for x
   x = 10,104,079,967.19/113,116.68
6. Step 6: Final answer
   x = 89,324.40