Finding the Fourth Proportional to 113,697.47, 156,964.03 and 68,385.58

Step by Step Solution

1. Step 1: Write the proportion equation
   113,697.47 : 156,964.03 = 68,385.58 : x
2. Step 2: Convert to fraction form
   113,697.47/156,964.03 = 68,385.58/x
3. Step 3: Cross multiply
   113,697.47x = 156,964.03 × 68,385.58
4. Step 4: Simplify right side
   113,697.47x = 10,734,075,667.31
5. Step 5: Solve for x
   x = 10,734,075,667.31/113,697.47
6. Step 6: Final answer
   x = 94,409.10