Finding the Fourth Proportional to 111,471.32, 153,830.00 and 66,186.52

Step by Step Solution

1. Step 1: Write the proportion equation
   111,471.32 : 153,830.00 = 66,186.52 : x
2. Step 2: Convert to fraction form
   111,471.32/153,830.00 = 66,186.52/x
3. Step 3: Cross multiply
   111,471.32x = 153,830.00 × 66,186.52
4. Step 4: Simplify right side
   111,471.32x = 10,181,472,152.49
5. Step 5: Solve for x
   x = 10,181,472,152.49/111,471.32
6. Step 6: Final answer
   x = 91,337.15