Finding the Fourth Proportional to 113,555.32, 156,706.35 and 65,836.36

Step by Step Solution

1. Step 1: Write the proportion equation
   113,555.32 : 156,706.35 = 65,836.36 : x
2. Step 2: Convert to fraction form
   113,555.32/156,706.35 = 65,836.36/x
3. Step 3: Cross multiply
   113,555.32x = 156,706.35 × 65,836.36
4. Step 4: Simplify right side
   113,555.32x = 10,316,975,672.89
5. Step 5: Solve for x
   x = 10,316,975,672.89/113,555.32
6. Step 6: Final answer
   x = 90,854.18