Finding the Fourth Proportional to 113,050.10, 156,021.53 and 64,656.51

Step by Step Solution

1. Step 1: Write the proportion equation
   113,050.10 : 156,021.53 = 64,656.51 : x
2. Step 2: Convert to fraction form
   113,050.10/156,021.53 = 64,656.51/x
3. Step 3: Cross multiply
   113,050.10x = 156,021.53 × 64,656.51
4. Step 4: Simplify right side
   113,050.10x = 10,087,807,291.38
5. Step 5: Solve for x
   x = 10,087,807,291.38/113,050.10
6. Step 6: Final answer
   x = 89,233.07