Finding the Fourth Proportional to 112,018.93, 154,585.31 and 61,031.66

Step by Step Solution

1. Step 1: Write the proportion equation
   112,018.93 : 154,585.31 = 61,031.66 : x
2. Step 2: Convert to fraction form
   112,018.93/154,585.31 = 61,031.66/x
3. Step 3: Cross multiply
   112,018.93x = 154,585.31 × 61,031.66
4. Step 4: Simplify right side
   112,018.93x = 9,434,597,002.83
5. Step 5: Solve for x
   x = 9,434,597,002.83/112,018.93
6. Step 6: Final answer
   x = 84,223.24