Finding the Fourth Proportional to 112,507.04, 168,760.72 and 45,947.16

Step by Step Solution

1. Step 1: Write the proportion equation
   112,507.04 : 168,760.72 = 45,947.16 : x
2. Step 2: Convert to fraction form
   112,507.04/168,760.72 = 45,947.16/x
3. Step 3: Cross multiply
   112,507.04x = 168,760.72 × 45,947.16
4. Step 4: Simplify right side
   112,507.04x = 7,754,075,803.56
5. Step 5: Solve for x
   x = 7,754,075,803.56/112,507.04
6. Step 6: Final answer
   x = 68,920.81