Finding the Fourth Proportional to 83,386.56, 115,074.72 and 45,664.32

Step by Step Solution

1. Step 1: Write the proportion equation
   83,386.56 : 115,074.72 = 45,664.32 : x
2. Step 2: Convert to fraction form
   83,386.56/115,074.72 = 45,664.32/x
3. Step 3: Cross multiply
   83,386.56x = 115,074.72 × 45,664.32
4. Step 4: Simplify right side
   83,386.56x = 5,254,808,837.99
5. Step 5: Solve for x
   x = 5,254,808,837.99/83,386.56
6. Step 6: Final answer
   x = 63,017.46