Finding the Fourth Proportional to 83,630.07, 115,405.56 and 45,388.76

Step by Step Solution

1. Step 1: Write the proportion equation
   83,630.07 : 115,405.56 = 45,388.76 : x
2. Step 2: Convert to fraction form
   83,630.07/115,405.56 = 45,388.76/x
3. Step 3: Cross multiply
   83,630.07x = 115,405.56 × 45,388.76
4. Step 4: Simplify right side
   83,630.07x = 5,238,114,688.48
5. Step 5: Solve for x
   x = 5,238,114,688.48/83,630.07
6. Step 6: Final answer
   x = 62,634.35