Finding the Fourth Proportional to 113,225.67, 156,248.06 and 64,826.01

Step by Step Solution

1. Step 1: Write the proportion equation
   113,225.67 : 156,248.06 = 64,826.01 : x
2. Step 2: Convert to fraction form
   113,225.67/156,248.06 = 64,826.01/x
3. Step 3: Cross multiply
   113,225.67x = 156,248.06 × 64,826.01
4. Step 4: Simplify right side
   113,225.67x = 10,128,937,975.91
5. Step 5: Solve for x
   x = 10,128,937,975.91/113,225.67
6. Step 6: Final answer
   x = 89,457.96