Finding the Fourth Proportional to 111,100.32, 166,663.47 and 39,031.11

Step by Step Solution

1. Step 1: Write the proportion equation
   111,100.32 : 166,663.47 = 39,031.11 : x
2. Step 2: Convert to fraction form
   111,100.32/166,663.47 = 39,031.11/x
3. Step 3: Cross multiply
   111,100.32x = 166,663.47 × 39,031.11
4. Step 4: Simplify right side
   111,100.32x = 6,505,060,230.55
5. Step 5: Solve for x
   x = 6,505,060,230.55/111,100.32
6. Step 6: Final answer
   x = 58,551.23