Finding the Fourth Proportional to 81,156.42, 111,988.58 and 45,341.46

Step by Step Solution

1. Step 1: Write the proportion equation
   81,156.42 : 111,988.58 = 45,341.46 : x
2. Step 2: Convert to fraction form
   81,156.42/111,988.58 = 45,341.46/x
3. Step 3: Cross multiply
   81,156.42x = 111,988.58 × 45,341.46
4. Step 4: Simplify right side
   81,156.42x = 5,077,725,493.82
5. Step 5: Solve for x
   x = 5,077,725,493.82/81,156.42
6. Step 6: Final answer
   x = 62,567.14