Finding the Fourth Proportional to 111,131.76, 153,365.22 and 60,830.76

Step by Step Solution

1. Step 1: Write the proportion equation
   111,131.76 : 153,365.22 = 60,830.76 : x
2. Step 2: Convert to fraction form
   111,131.76/153,365.22 = 60,830.76/x
3. Step 3: Cross multiply
   111,131.76x = 153,365.22 × 60,830.76
4. Step 4: Simplify right side
   111,131.76x = 9,329,322,890.17
5. Step 5: Solve for x
   x = 9,329,322,890.17/111,131.76
6. Step 6: Final answer
   x = 83,948.31