Finding the Fourth Proportional to 166,499.18, 249,632.91 and 71,700.94

Step by Step Solution

1. Step 1: Write the proportion equation
   166,499.18 : 249,632.91 = 71,700.94 : x
2. Step 2: Convert to fraction form
   166,499.18/249,632.91 = 71,700.94/x
3. Step 3: Cross multiply
   166,499.18x = 249,632.91 × 71,700.94
4. Step 4: Simplify right side
   166,499.18x = 17,898,913,053.77
5. Step 5: Solve for x
   x = 17,898,913,053.77/166,499.18
6. Step 6: Final answer
   x = 107,501.51