Finding the Fourth Proportional to 113,070.06, 156,018.51 and 65,329.74

Step by Step Solution

1. Step 1: Write the proportion equation
   113,070.06 : 156,018.51 = 65,329.74 : x
2. Step 2: Convert to fraction form
   113,070.06/156,018.51 = 65,329.74/x
3. Step 3: Cross multiply
   113,070.06x = 156,018.51 × 65,329.74
4. Step 4: Simplify right side
   113,070.06x = 10,192,648,693.49
5. Step 5: Solve for x
   x = 10,192,648,693.49/113,070.06
6. Step 6: Final answer
   x = 90,144.54