Finding the Fourth Proportional to 113,099.02, 156,149.71 and 70,124.15

Step by Step Solution

1. Step 1: Write the proportion equation
   113,099.02 : 156,149.71 = 70,124.15 : x
2. Step 2: Convert to fraction form
   113,099.02/156,149.71 = 70,124.15/x
3. Step 3: Cross multiply
   113,099.02x = 156,149.71 × 70,124.15
4. Step 4: Simplify right side
   113,099.02x = 10,949,865,901.56
5. Step 5: Solve for x
   x = 10,949,865,901.56/113,099.02
6. Step 6: Final answer
   x = 96,816.63