Finding the Fourth Proportional to 113,245,709.17, 156,276,628.32 and 65,562,974.06

Step by Step Solution

1. Step 1: Write the proportion equation
   113,245,709.17 : 156,276,628.32 = 65,562,974.06 : x
2. Step 2: Convert to fraction form
   113,245,709.17/156,276,628.32 = 65,562,974.06/x
3. Step 3: Cross multiply
   113,245,709.17x = 156,276,628.32 × 65,562,974.06
4. Step 4: Simplify right side
   113,245,709.17x = 10,245,960,527,947,038
5. Step 5: Solve for x
   x = 10,245,960,527,947,038/113,245,709.17
6. Step 6: Final answer
   x = 90,475,485.59