Finding the Fourth Proportional to 83,700.66, 115,527 and 47,911.42

Step by Step Solution

1. Step 1: Write the proportion equation
   83,700.66 : 115,527 = 47,911.42 : x
2. Step 2: Convert to fraction form
   83,700.66/115,527 = 47,911.42/x
3. Step 3: Cross multiply
   83,700.66x = 115,527 × 47,911.42
4. Step 4: Simplify right side
   83,700.66x = 5,535,062,618.34
5. Step 5: Solve for x
   x = 5,535,062,618.34/83,700.66
6. Step 6: Final answer
   x = 66,129.26