Finding the Fourth Proportional to 113,098.54, 156,088.46 and 64,704.95

Step by Step Solution

1. Step 1: Write the proportion equation
   113,098.54 : 156,088.46 = 64,704.95 : x
2. Step 2: Convert to fraction form
   113,098.54/156,088.46 = 64,704.95/x
3. Step 3: Cross multiply
   113,098.54x = 156,088.46 × 64,704.95
4. Step 4: Simplify right side
   113,098.54x = 10,099,695,676.35
5. Step 5: Solve for x
   x = 10,099,695,676.35/113,098.54
6. Step 6: Final answer
   x = 89,299.97