Finding the Fourth Proportional to 111,858.63, 167,846.31 and 45,347.91

Step by Step Solution

1. Step 1: Write the proportion equation
   111,858.63 : 167,846.31 = 45,347.91 : x
2. Step 2: Convert to fraction form
   111,858.63/167,846.31 = 45,347.91/x
3. Step 3: Cross multiply
   111,858.63x = 167,846.31 × 45,347.91
4. Step 4: Simplify right side
   111,858.63x = 7,611,479,359.71
5. Step 5: Solve for x
   x = 7,611,479,359.71/111,858.63
6. Step 6: Final answer
   x = 68,045.53