Finding the Fourth Proportional to 113,045.60, 156,015.32 and 64,652.01

Step by Step Solution

1. Step 1: Write the proportion equation
   113,045.60 : 156,015.32 = 64,652.01 : x
2. Step 2: Convert to fraction form
   113,045.60/156,015.32 = 64,652.01/x
3. Step 3: Cross multiply
   113,045.60x = 156,015.32 × 64,652.01
4. Step 4: Simplify right side
   113,045.60x = 10,086,703,705.53
5. Step 5: Solve for x
   x = 10,086,703,705.53/113,045.60
6. Step 6: Final answer
   x = 89,226.86