Finding the Fourth Proportional to 113,100.54, 156,091.22 and 64,706.95

Step by Step Solution

1. Step 1: Write the proportion equation
   113,100.54 : 156,091.22 = 64,706.95 : x
2. Step 2: Convert to fraction form
   113,100.54/156,091.22 = 64,706.95/x
3. Step 3: Cross multiply
   113,100.54x = 156,091.22 × 64,706.95
4. Step 4: Simplify right side
   113,100.54x = 10,100,186,767.98
5. Step 5: Solve for x
   x = 10,100,186,767.98/113,100.54
6. Step 6: Final answer
   x = 89,302.73